By Robert R. Prechter
By Robert Edward Dowse, John A. Hughes
By David Alan Herzog
By John Crocker
By Joseph Chayen, etc.
By Gavin Reid
By Sean Lang
By F. Graham Smith, John Hunter Thomson, J.H. Thompson
By Harald Gunther, Robert W. Gleason
By John A. Barltrop, John D. Coyle
By Howard Murad, M.D.
By John Arnold, Ian Lurie, Marty Dickinson, Elizabeth Marsten, Michael Becker
By Ross D. Parke, Alison Clarke-Stewart
By William Shakespeare, Adam Sexton, Hyeondo Park
By JH Westbrook
By Jacob Zabicky
By Saul Patai, S PATAI
By Anthony J. Pearson
By Saul Patai, Zvi Rappoport, S PATAI
By David Warfield Brown, A.J. Floyd, M. Sainsbury (University of Bath, UK)
By Manfred Schlosser
By G. Socrates
By David J. Ward (Research Scientist, Department of Biochemistry and Molecular Biology, University of Manchester)
By Saul Patai
By Christopher Conway
By John Morgan, Martin Brenig-Jones