P. Willett

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Peter Willett, Robert J. Gaizauskas, George Demetriou, 2003, Bioinform..

P. Willett, Claire M. R. Ginn, John Bradshaw, 2000 .

P. Willett, P. Artymiuk, R. Spriggs, 2003 .

P. Willett, F. Ç. Ekmekçioglu, 2000 .

P. Willett, J. Hert, E. Jacoby, 2005, Journal of medicinal chemistry.

Peter J. Fleming, Darren V. S. Green, Peter Willett, 2002, J. Chem. Inf. Comput. Sci..

Karen Sparck Jones, S. Robertson, P. Willett, 1999 .

Valerie J. Gillet, Peter Willett, Martin Whittle, 2006, J. Chem. Inf. Model..

P. Willett, S. J. Edgar, J. Holliday, 2000, Journal of molecular graphics & modelling.

P. Willett, J. Holliday, Chia-Wei Chu, 2012, Bioorganic & medicinal chemistry.

Peter Willett, Mark Greengrass, Alexander M. Robertson, 1996, J. Documentation.

Peter Willett, Martin Lennon, David S. Peirce, 1981 .

P. Willett, M. Verdonk, J. Cole, 2001, Journal of molecular biology.

P. Willett, 1995, Trends in biotechnology.

Peter Willett, P. Willett, 1988, Inf. Process. Manag..

P. Willett, A. Griffiths, H. C. Luckhurst, 1997, J. Am. Soc. Inf. Sci..

Peter Willett, Abdelmoula El-Hamdouchi, P. Willett, 1987, J. Inf. Sci..

Peter Willett, Fiona M. McCall, P. Willett, 1986, Int. J. Man Mach. Stud..

Darren V. S. Green, John Bradshaw, Peter Willett, 1999, J. Chem. Inf. Comput. Sci..

Peter Willett, Shereena M. Arif, John D. Holliday, 2015 .

Eleanor J. Gardiner, P. Willett, P. Artymiuk, 2001, Proteins.

Karen Sparck Jones, P. Willett, Jonathan Sutherland, 2004 .

David Ellis, Peter Willett, Jonathan Furner, 1999, CSUR.

P. Willett, S. Wakeling, Claire Creaser, 2019, Definitions.

P. Willett, S. Wakeling, Claire Creaser, 2016, PLoS ONE.

P. Willett, J. Holliday, Edmund Duesbury, 2017 .

P Willett, P. Willett, Peter Willett, 2000, Current opinion in biotechnology.

Yvonne C. Martin, Peter Willett, P. Willett, 1990 .

Peter Willett, Karen Sparck Jones, P. Willett, 1997 .

P. Willett, D. Rice, P. Artymiuk, 1996, Nature Structural Biology.

Peter Willett, David B. Turner, P. Willett, 2002 .

Mark A. Johnson, J. D. Petke, P. Willett, 1994 .

Michael F. Lynch, Peter Willett, M. F. Lynch, 1989 .

Peter Willett, Janey K. Cringean, Andrew R. Poirrette, 1990 .

Peter Willett, P. Willett, 2011 .

G. Schneider, P. Willett, M. Rarey, 2012 .

Gareth Jones, Peter Willett, Alexander M. Robertson, 1995, Information Research.

Peter Willett, P. Willett, 2012 .

P Willett, P. Willett, 1979 .

Erik Blasch, Peter Willett, Hugh Griffiths, 2011 .

P. Willett, P. Bath, R. Maheswaran, 2013, Statistics in medicine.

Peter Willett, Nega Alemayehu, P. Willett, 2002, Lit. Linguistic Comput..

Peter Willett, P. Willett, 2009, Annu. Rev. Inf. Sci. Technol..

P. Willett, J. Holliday, Nuria Porta, 2017, Drug discovery today.

Mohd Firdaus Raih, Peter Willett, Peter J. Artymiuk, 2013, Nucleic Acids Res..

Mahdi Mahfouf, Peter Willett, Min-You Chen, 2004, J. Chem. Inf. Model..

Stephen E. Robertson, Peter Willett, S. Robertson, 2007, J. Inf. Sci..

Michael F. Lynch, Peter Willett, David Bawden, 1981, J. Chem. Inf. Comput. Sci..

Peter Willett, Peter J. Artymiuk, Andrew R. Poirrette, 1995, Nature Structural Biology.

Peter Willett, British Library, B. Library, 1990 .

Peter Willett, P. Willett, 1984, Journal of chemical information and computer sciences.

Peter Willett, Walter Thiel, Modesto Orozco, 2014 .

Robert R. Korfhage, Edie M. Rasmussen, Peter Willett, 1993, Annual International ACM SIGIR Conference on Research and Development in Information Retrieval.

David Ellis, Peter Willett, Jonathan Furner, 1996, J. Am. Soc. Inf. Sci..

Peter Willett, Nurul Hashimah Ahamed Hassain Malim, Maciej Haranczyk, 2009 .

Peter Willett, John M. Barnard, Peter Willett, 2000 .

Peter Gedeck, Peter Willett, John D. Holliday, 2005 .

Michael F. Lynch, John M. Barnard, Stephen M. Welford, 1986, Journal of chemical information and computer sciences.

Peter Willett, Valerie J. Gillet, P. Willett, 2001 .

Peter Willett, George Papadatos, Peter Willett, 2013 .

Mohd Firdaus Raih, Peter Willett, Hazrina Yusof Hamdani, 2014, Nucleic Acids Res..

Peter Willett, P. Willett, 2011, J. Documentation.

Peter Willett, P. Willett, 1985, J. Chem. Inf. Comput. Sci..

Peter Willett, Richard A. Lewis, David J. Wilton, 2003 .

Michael F. Lynch, Peter Willett, M. F. Lynch, 1978, Journal of chemical information and computer sciences.

Peter Willett, Guillermo Restrepo, P. Willett, 2017, Journal of Mathematical Chemistry.

Peter Willett, Maciej Haranczyk, John D. Holliday, 2008, J. Comput. Chem..

Peter Willett, Guillermo Restrepo, P. Willett, 2016 .

Peter Willett, P. Willett, 1983, Journal of chemical information and computer sciences.

Alexander M. Robertson, Peter Willett, Alan J. O'Rourke, 1997, Inf. Res..

P. Willett, S. Wakeling, Claire Creaser, 2019 .

Michael F. Lynch, Peter Willett, David Bawden, 1979, Journal of chemical information and computer sciences.

Peter Willett, David Bawden, Vivienne Winterman, 1986, J. Chem. Inf. Comput. Sci..

Naomie Salim, Peter Willett, John D. Holliday, 2002 .

Donald H. Kraft, James P. Crutchfield, Hitoshi Iba, 1997 .

Eleanor J. Gardiner, P. Willett, C. Hunter, 2004, Journal of molecular biology.

Gareth Jones, Peter Willett, Robert C. Glen, 1995, J. Comput. Aided Mol. Des..

P Willett, G Jones, R C Glen, 1997, Journal of molecular biology.

John M. Barnard, Peter Willett, Geoffrey M. Downs, 1998, J. Chem. Inf. Comput. Sci..

Peter Willett, Alexander M. Robertson, P. Willett, 1998, J. Documentation.

Peter Willett, John Ford, Raymond Tang, 2007, J. Chem. Inf. Model..

Edie M. Rasmussen, Peter Willett, P. Willett, 1987, SIGIR '87.

Peter Willett, John D. Holliday, P. Willett, 1996 .

Peter Willett, P. Willett, 2006, Drug discovery today.

P Willett, G Jones, P. Willett, 1995, Current opinion in biotechnology.

Peter Willett, John D. Holliday, Shereena M. Arif, 2013, J. Inf. Sci..

Paolo Massimo Buscema, Roberto Todeschini, Peter Willett, 2012, J. Chem. Inf. Model..

Peter Willett, Eleanor J. Gardiner, Martin J Packer, 2003, Journal of molecular biology.

Jiang Li, Peter Willett, P. Willett, 2010, J. Chem. Inf. Model..

Peter Willett, Rachel J. Shaw, P. Willett, 1993, Inf. Process. Manag..

Peter Willett, Alan Griffiths, Lesley A. Robinson, 1984, J. Documentation.

Stephen E. Robertson, John Tait, S. Robertson, 2007, J. Inf. Sci..

Peter Willett, Helen J. Peat, P. Willett, 1991, J. Am. Soc. Inf. Sci..

Peter Willett, Peter J. Artymiuk, Andrew R. Poirrette, 1997, Nature.

Peter Willett, Valerie J. Gillet, P. Willett, 2007 .

Peter Willett, John W. Raymond, John W Raymond, 2003, Journal of molecular graphics & modelling.

Peter Willett, John D. Holliday, P. Willett, 2011, Current Challenges in Patent Information Retrieval.

Peter Willett, Stephe J. Wade, Stephen J. Wade, 1988 .

P Willett, Eleanor M. Mitchell, E M Mitchell, 1990, Journal of molecular biology.

Eleanor J. Gardiner, P Willett, P J Artymiuk, 1997, Journal of molecular graphics & modelling.

Peter Willett, Eleanor J. Gardiner, John W. Raymond, 2002, J. Chem. Inf. Comput. Sci..

Peter Willett, Eleanor J. Gardiner, John W. Raymond, 2002, Comput. J..

Peter Willett, Andrew T. Brint, P. Willett, 1989, J. Comput. Aided Mol. Des..

Peter Willett, Andrew T. Brint, Eleanor M. Mitchell, 1988 .

Peter Willett, Andrew T. Brint, P. Willett, 1987, J. Chem. Inf. Comput. Sci..

Peter Willett, Peter J. Artymiuk, Ruth V. Spriggs, 2003, J. Chem. Inf. Comput. Sci..

Peter Willett, Alexander M. Robertson, P. Willett, 1994, J. Documentation.

P Willett, P Gedeck, P. Willett, 2001, Current opinion in chemical biology.

Peter Willett, Kevin Lawson, David J. Wilton, 2003, J. Chem. Inf. Comput. Sci..

Peter Willett, James B. Dunbar, Christine Humblet, 2000, J. Chem. Inf. Comput. Sci..

John Bradshaw, Peter Willett, Valerie J. Gillet, 1998, J. Chem. Inf. Comput. Sci..

Peter Willett, Valerie J. Gillet, John D. Holliday, 2003, J. Inf. Sci..

Peter Willett, Valerie J Gillet, Peter J Fleming, 2002, Journal of molecular graphics & modelling.

Peter Willett, P. Willett, 2014, Molecular informatics.

D B Turner, P Willett, P. Willett, 2000, European journal of medicinal chemistry.

Peter Willett, John D. Holliday, Nor Sani, 2015, J. Chem. Inf. Model..

George Papadatos, Peter Willett, Robert F. Harrison, 2007, J. Comput. Aided Mol. Des..

Peter Willett, Robert F. Harrison, Kevin Lawson, 2006, J. Chem. Inf. Model..

Jérôme Hert, Peter Willett, Robert F. Harrison, 2005 .

Jérôme Hert, Peter Willett, Pierre Acklin, 2004, J. Chem. Inf. Model..

Peter Willett, P. Willett, 2003 .

P Willett, P. Willett, D. Cosgrove, 1998, Journal of molecular graphics & modelling.

Peter Willett, David Bawden, Ann Ormerod, 1989 .

Peter Willett, P. Willett, 2006, Program.

P Willett, P. Willett, 1995, Journal of molecular recognition : JMR.

Peter Willett, P. Willett, 2020, International journal of molecular sciences.

Peter Willett, P. Willett, 2008, Aslib Proc..

John Bradshaw, Peter Willett, Valerie J. Gillet, 1997, J. Chem. Inf. Comput. Sci..

Peter Willett, Martin Whittle, Valerie J. Gillet, 2006, J. Chem. Inf. Model..

Peter Willett, John D. Holliday, Edmund Duesbury, 2015, J. Chem. Inf. Model..

P Willett, P. Willett, 2003, Biochemical Society transactions.

Peter Willett, P. Willett, 2011, Methods in molecular biology.

Peter Willett, Karen Sparck Jones, P. Willett, 1997 .

Peter Willett, P. Willett, 2002 .

Peter Willett, Martin Whittle, Werner Klaffke, 2003, J. Chem. Inf. Comput. Sci..

Peter Willett, Peter A. Bath, David A. Thorner, 1992, J. Chem. Inf. Comput. Sci..

Peter Willett, Sarah J. Clarke, P. Willett, 1997 .

Peter Willett, Robin Taylor, Frank H. Allen, 2001 .

Gareth Jones, Peter Willett, David E. Clark, 1993, International Conference on Genetic Algorithms.

Ronan Bureau, Peter Willett, Thibault Varin, 2009, Journal of molecular graphics & modelling.

John Bradshaw, Peter Willett, Valerie J. Gillet, 1998, Comput. J..

Edie M. Rasmussen, Peter Willett, Terence Wilson, 1993 .

Edie M. Rasmussen, Peter Willett, P. Willett, 1989, J. Documentation.

Peter Willett, Eleanor J. Gardiner, Peter J. Artymiuk, 2000, J. Chem. Inf. Comput. Sci..

P Willett, J D Holliday, P. Willett, 1997, Journal of molecular graphics & modelling.

P Willett, M Snarey, N K Terrett, 1997, Journal of molecular graphics & modelling.

Peter Willett, Yvonne C. Martin, Mark G. Bures, 2007 .

Peter Willett, Qilun Zhu, P. Willett, 2011, Aslib Proc..

Peter Willett, John H. Ashford, P. Willett, 1990 .

Peter Willett, Richard C. Angell, George E. Freund, 1983, Inf. Process. Manag..

Dalibor Fiala, Peter Willett, P. Willett, 2015, Aslib J. Inf. Manag..

Peter Willett, Peter J. Artymiuk, Ruth V. Spriggs, 2005, J. Assoc. Inf. Sci. Technol..

Peter Willett, Abdelmoula El-Hamdouchi, P. Willett, 1988, Inf. Process. Manag..

Peter Willett, P. Willett, 1985, Inf. Process. Manag..

Karen Sparck Jones, S. Robertson, P. Willett, 1999 .

Peter Willett, Alexander M. Robertson, F. Çuna Ekmekçioglu, 1992, J. Inf. Sci..

Peter Willett, Abdelmoula El-Hamdouchi, Tesfaye Biru, 1989, J. Documentation.

Peter Willett, Peter Willett, Abdelmoula El-Hamdouchi, 1989, Comput. J..

W. Bruce Croft, Peter Willett, Janey K. Cringean, 1989, Inf. Process. Manag..

Peter Willett, Peter Willett, Geoffrey M. Downs, 2007 .

Gareth Jones, Peter Willett, Alexander M. Robertson, 1994 .

Gareth Jones, Peter Willett, Robert C. Glen, 1994, J. Chem. Inf. Comput. Sci..

Gareth Jones, Peter Willett, Geoffrey M. Downs, 1994, J. Chem. Inf. Comput. Sci..

Peter Willett, Mónica Arakaki, P. Willett, 2009, J. Inf. Sci..

Owen Thomas, Peter Willett, P. Willett, 2000, J. Inf. Sci..

Peter Willett, Iain M. McLay, Chidochangu P. Mpamhanga, 2006, J. Chem. Inf. Model..

N E Jewell, D B Turner, P Willett, 2001, Journal of molecular graphics & modelling.

Peter Willett, Gordon A. Manson, Janey K. Cringean, 1991, Electron. Publ..

Peter Willett, Suliman Al-Hawamdeh, P. Willett, 1989 .

Peter Willett, Christoph Müller, Beining Chen, 2009, J. Cheminformatics.

Peter Willett, John D. Holliday, Shereena M. Arif, 2010, J. Chem. Inf. Model..

Claire Creaser, Jenny Fry, Stephen Pinfield, 2017, Learn. Publ..

Peter Willett, Valerie J Gillet, John D Holliday, 2015, Molecular informatics.

Peter Willett, Kristian Birchall, Valerie J. Gillet, 2009, J. Chem. Inf. Model..

Peter Willett, Valerie J. Gillet, Eleanor J. Gardiner, 2007, J. Chem. Inf. Model..

Peter Willett, Valerie J. Gillet, Eleanor J. Gardiner, 2006, J. Chem. Inf. Model..

John Bradshaw, Peter Willett, Valerie J. Gillet, 2003, J. Chem. Inf. Comput. Sci..

Peter Willett, John W. Raymond, P. Willett, 2002, J. Comput. Aided Mol. Des..

Peter Willett, Mirko Popovic, P. Willett, 1992, J. Am. Soc. Inf. Sci..

Peter Willett, P. Willett, 2013, J. Chem. Inf. Model..

Peter Willett, P. Willett, 1988 .

Peter Willett, P. Willett, 1980, Journal of chemical information and computer sciences.

Mohd Firdaus Raih, Peter Willett, Eleanor J. Gardiner, 2012, Nucleic Acids Res..

Peter Willett, Catherine A. Pepperrell, P. Willett, 1991, J. Comput. Aided Mol. Des..

Peter Willett, Andrew T. Brint, Eleanor M. Mitchell, 1989 .

Peter Willett, John D. Holliday, Pedro Franco, 2014, Journal of Cheminformatics.

Peter Willett, P. Willett, 2013, J. Documentation.

Evangelos Kanoulas, Peter Willett, John D. Holliday, 2011, J. Cheminformatics.

Jérôme Hert, Peter Willett, Valerie J. Gillet, 2009, Stat. Anal. Data Min..

Peter Willett, Abdelmoula El-Hamdouchi, P. Willett, 1986, SIGIR '86.

Peter Willett, Abdelmoula El-Hamdouchi, P. Willett, 1986, SIGIR 1986.

Peter Willett, P. Willett, 2007, Journal of molecular graphics & modelling.

Peter Willett, Valerie J. Gillet, Michael J. Bodkin, 2012 .

Peter Willett, John D. Holliday, Hua Xiang, 2012, Int. J. Chemoinformatics Chem. Eng..

Naomie Salim, Peter Willett, Martin Whittle, 2003, J. Chem. Inf. Comput. Sci..

Peter Willett, Nicola J. Richmond, Robert D. Clark, 2006, J. Comput. Aided Mol. Des..

Peter Willett, Nicola J. Richmond, Nicola J Richmond, 2004, Journal of molecular graphics & modelling.

Peter Willett, David B. Turner, Allan M. Ferguson, 1997, J. Comput. Aided Mol. Des..

Peter Willett, John D. Holliday, Shereena M. Arif, 2009, J. Comput. Aided Mol. Des..

Naomie Salim, Peter Willett, John D. Holliday, 2003, J. Chem. Inf. Comput. Sci..

Peter Willett, Beining Chen, Christoph Mueller , 2010, Molecular informatics.

Peter Willett, Christopher A. Hunter, Eleanor J. Gardiner, 2009, Algorithms.

Peter Willett, P. Willett, 2011, Journal of Computer-Aided Molecular Design.

Peter Willett, Lim Ban Seng, P. Willett, 1995, J. Inf. Sci..

Peter Willett, Frances E. Wood, P. Willett, 1998 .

Peter Willett, Peter A. Bath, Simon Read, 2013, J. Inf. Sci..

Peter Willett, Aryati Bakri, P. Willett, 2011, Aslib Proc..

Michael F. Lynch, Peter Willett, M. F. Lynch, 1978, J. Chem. Inf. Comput. Sci..

Peter Willett, P. Willett, 2013, Computational and structural biotechnology journal.

Peter Willett, Eleanor J. Gardiner, Eleanor J Gardiner, 2003, Proteins.

Michael F. Lynch, Peter Willett, M. F. Lynch, 1996, Information Research.

Peter Willett, Christopher A. Hunter, Eleanor J. Gardiner, 2006, J. Chem. Inf. Model..

Peter Willett, Michael Seel, David B. Turner, 1999 .

Peter Willett, John W. Raymond, P. Willett, 2003, J. Chem. Inf. Comput. Sci..

Peter Willett, Jérôme Hert, David J. Wilton, 2006 .

Peter Willett, David B. Turner, Allan M. Ferguson, 1999 .

Peter Willett, Mark Greengrass, Alexander M. Robertson, 1996, Information Research.

Peter Willett, P. Willett, 1979, J. Chem. Inf. Comput. Sci..

Michael F. Lynch, Peter Willett, M. F. Lynch, 1978, J. Chem. Inf. Comput. Sci..

H Schofield, G Wiggins, P Willett, 2001, Drug discovery today.

Peter Willett, Michael F. Lynch, Gordon A. Manson, 1988 .

Peter Willett, Peter J. Artymiuk, David W. Rice, 1989, J. Inf. Sci..

Peter Willett, P. Willett, 2007, Journal of the American Society for Information Science.

Peter Willett, P. Willett, 1991 .

Peter Willett, Lou Burnard, C. Edwards, 1989 .

Peter Willett, David Bawden, Stephen J. Wade, 1989, J. Inf. Sci..

Peter Willett, Geoffrey M. Downs, Andrew R. Poirrette, 1993 .

Peter Willett, Valerie J. Gillet, P. Willett, 2001 .

Darren V. S. Green, Peter Willett, Valerie J. Gillet, 1999 .

Peter Willett, Eleanor J. Gardiner, Eleanor J Gardiner, 2011, Future medicinal chemistry.

Peter Willett, Martin Whittle, Valerie J. Gillet, 2011 .

P Willett, J D Holliday, C-Y Hu, 2002, Combinatorial chemistry & high throughput screening.

Peter Willett, K C Mohan, P. Willett, 1985 .

Peter Willett, Melanie T. Benson, P. Willett, 2014, J. Documentation.

Frances E. Wood, Peter Willett, Katharine L. Quarmby, 1999, J. Inf. Sci..

Peter Willett, Geoffrey M. Downs, William Fisanick, 1994, J. Chem. Inf. Comput. Sci..

Peter Willett, Peter A. Bath, Carol A. Morris, 1993 .

Peter Willett, Nathan Brown, Richard A. Lewis, 2003, J. Chem. Inf. Comput. Sci..

P. Willett, 2022, Journal of molecular graphics & modelling.

Peter Willett, Valerie J. Gillet, P. Willett, 1996 .

Peter Willett, P. Willett, 1979, Journal of chemical information and computer sciences.

Peter Willett, David B. Turner, Simon M. Tyrrell, 1997, J. Chem. Inf. Comput. Sci..

Peter Willett, P. Willett, 1996, Information Research.

John M. Barnard, Peter Willett, Peter Willett, 1981, Journal of chemical information and computer sciences.

Peter Willett, P. Willett, 2013, Journal of information science.

Peter Willett, Terry R. Stouch, P. Willett, 2007, J. Comput. Aided Mol. Des..

Michael F. Lynch, Peter Willett, Valerie J. Gillet, 1988, Parallel Comput..

Peter Willett, Mark Stewart, P. Willett, 1987, J. Documentation.

Edie M. Rasmussen, Peter Willett, Gordon A. Manson, 1990 .

Peter Willett, Michael F. Lynch, Edie M. Rasmussen, 1989 .

Peter Willett, David M. Carroll, Christine A. Pogue, 1988, Journal of the American Society for Information Science.

Peter Willett, Gordon A. Manson, Janey K. Cringean, 1989, SIGIR '90.

Edie M. Rasmussen, Peter Willett, Christine A. Pogue, 1988, Parallel Comput..

Peter Willett, Gordon A. Manson, Janey K. Cringean, 1988, J. Inf. Sci..

Peter Gedeck, Peter Willett, John D. Holliday, 2003, J. Chem. Inf. Comput. Sci..

Peter Willett, Valerie J Gillet, Julen Oyarzabal, 2008, Journal of medicinal chemistry.

P. Willett, V. Gillet, P. Ducrot, 2009, J. Chem. Inf. Model..

Peter Willett, Pierre Ducrot, Elizabeth A. Kennewell, 2006, J. Comput. Aided Mol. Des..

Paul Watson, Peter Willett, Valerie J. Gillet, 2001, J. Comput. Aided Mol. Des..

Peter Willett, Peter A. Bath, John W. Raymond, 2002 .

P. Willett, White Rose, White Rose, 2006, Drug discovery today.

David Ellis, Peter Willett, Jonathan Furner, 1994, J. Documentation.

V. Kadirkamanathan, P. Willett, V. Gillet, 2009, Journal of Chemical Information and Modeling.

Peter Willett, Claire Creaser, Jenny Fry, 2020, J. Inf. Sci..

P. Willett, Claire Creaser, Valérie Spezi, 2018 .

Peter Willett, Peter J. Artymiuk, Andrew R. Poirrette, 1997, J. Comput. Aided Mol. Des..

Peter Willett, Suliman Al-Hawamdeh, Geoff Smith, 1991 .

Adalbert Kerber, Reinhard Laue, Danail Bonchev, 2015 .

P. Willett, J. Holliday, S. Arif, 2010, J. Chem. Inf. Model..

Peter Willett, Simon Read, Ravi Maheswaran, 2011, Spatial and spatio-temporal epidemiology.

Peter Willett, M. J. Bayley, P. Willett, 1998, Protein science : a publication of the Protein Society.