Gregory Penn

发表

Alex Ratti, John Staples, Russell Wells, 2004, SPIE Optics + Photonics.

John Staples, Alex Ratti, L. R. Doolittle, 2005 .

Stefano De Santis, Michael Ehrlichman, Christoph Steier, 2021 .

D. P. Grote, Miguel A. Furman, Marco Venturini, 2009 .

Thomas Weiland, Alexander Mikhailichenko, H. Stoeck, 2007 .

John Staples, William Graves, P. Craievich, 2005 .

Michael Borland, P. Craievich, Enrico Allaria, 2009 .

Daniele Filippetto, Ji Qiang, Fernando Sannibale, 2013 .