Finn Hjortgaard Christensen

Online citation analysis

Peter Ingwersen, Finn Hjortgaard Christensen, P. Ingwersen, 1996, Scientometrics.

Data Set Isolation for Bibliometric Online Analyses of Research Publications: Fundamental Mehodological Issues

Peter Ingwersen, Finn Hjortgaard Christensen, 1997, J. Am. Soc. Inf. Sci..

Data set isolation for bibliometric online analyses of research publications: fundamental methodological issues

Peter Ingwersen, Finn Hjortgaard Christensen, 1997 .

Online determination of the journal impact factor and its international properties

Peter Ingwersen, Finn Hjortgaard Christensen, Irene Wormell, 1997, Scientometrics.