By Larry Flynt, David Eisenbach, Ph.D.
By David Denver, Christopher Carman, Robert Johns
By J. Carlson
By P. Valsecchi
By M. Risse
By Kris Deschouwer (Vrije Universiteit Brussel (VUB), Brussels)
By J. Walmsley
By William M. Downs
By K. Hudson
By Max Farrar, S. Robinson, Yasmin Valli, P. Wetherly
By Hedley Bull
By M. Dennis, J. Grix
By T. Newell
By Karen O'Reilly (Loughborough University, UK)
By P. Dorey, A. Kelso
By P. Lizee
By W. Whyte, O. Zimmer
By H. Koesebalaban
By Lina Eriksson (Flinders University, Bedford Park, Australia)
By M. Hall
By D. Clark
By K. Stoddart
By Henk Overbeek, B. van Apeldoorn, Bastiaan van Apeldoorn
By Christoph Laucht
By S. Quackenbush
By A. Assmann, L. Shortt
By Mark Jenkins
By T. Smith
By S. O'Sullivan
By W. M. Spellman (University of North Carolina at Ashevill, Asheville, USA)