By Merrill I. Skolnik
By Robert A. Witte (Agilent Technologies, USA)
By K.G. Jackson, G.B. Townsend
By Arthur A. Giordano, Frank M. Hsu
By James K. Peckol
By Regis J. Bates, Donald Gregory
By George Gilder
By Jane McGonigal
By Alice Thomson
By John D. Lenk
By Briere
By Louis Nashelsky
By P. Hammond
By Leander Kahney
By Spencer Roberts
By Jonathan Rosenbaum
By Ahmed, H.
By Charles Ess, Fay Sudweeks, Susan Herring
By Lev Manovich (City University of New York)
By Jason Rutter, Jo Bryce
By T.J. Ledwidge, etc.
By Ivars Bilinskis, Arnolds Mikelsons (both of Academy of Sciences, Latvia)
By R. Linggard, C. Nightingale, D.J. Myers
By Paul A. Lynn
By Lulu Yilun Chen
By K.J. Bohlman
By Patchett, G.N.
By Barry Kauler