By Jurgen A. Doornik, David F. Hendry
By Douglas E. Comer
By Chown, Marcus, Marcus Chown
By Jurgen Doornik, David F. Hendry
By Mcknight, Hugh
By H.P. Rang, M.Maureen Dale, James M. Ritter, Philip Moore
By John S. Mead
By R. M. Jex, Em Willmott
By R.V. Watkin
By Roland Worcester
By Dyson, James
By Christine Noble, Reader's Digest Association, ----
By B. Gutenberg
By Stephen Hawking
By Malone, John
By J.C. Herz
By Swan, Russ
By John Emsley (Chemistry Department, University of Cambridge)
By Levinson, A. A
By J. C. Van Loon (University of Toronto), R. R. Barefoot (University of Toronto)
By James Andrew Hunt, etc.
By Jim Buyens
By Lisa Donald, James Chellis
By Bill Kennedy, Chuck Musciano
By Tom Dell
By Jung, David