By Adrian Slack
By Ross Gelbspan
By William Sweet (IEEE Spectrum magazine)
By Joseph P. Griffith
By Geoffrey Barraclough
By William M. Adams
By Haslett, Simon
By Palin, Michael, Michael Palin
By Sue Warn, Bob Digby
By Dr Douglas Palmer, Ph.D. (University of Cambridge)
By G. Pilkington, S. Kendall
By Van Den Ban, A. W., Hawkins, Helen S.
By Stephen Bass, Barry Dalal-Clayton
By Pallister, John, Bowen, Ann
By Guinness World Records
By David Ross, na
By Alastair & Clarke, Phillip Smith
By Readers Digest
By Reader's Digest
By Anon
By Unidentified Author
By Mackinnon, John
By Monica Hughes
By Vic Parker
By Bruce Marshall
By Spooner, Alecia M.
By Speak, P., Carter, A.H.C.
By Karl W. Butzer