By Nicholas P Cheremisinoff, Consulting Engineer (Director of Clean Technologies and Pollution Prevention Projects at Princeton Energy Resources International, LLC, Rockville, MD, USA)
By Douglas J. Gelb
By C.H. Collins
By Cooke, Hannah, etc., Williams, Anne, May, Carl
By Carson, P.A., Dent, N. J.
By Martha Cannon, Myra Forster-van Hijfte (European and RCVS specialist in small animal medicine)
By W. Bolton
By R.J. Hosking, S. Joe, D.C. Joyce, J.C. Turner (all of the University of Waikato, New Zealand)
By Fiona Mantle (Staff Nurse, John Radcliffe Hospital, Oxford; Freelance writer and lecturer in Complementary and Alternative Medicine)
By Andre Guinier
By Malcolm McDonald (Until recently, Professor of Marketing and Deputy Director of Cranfield School of Management and formerly Marketing Director of Canada Dry, UK), Peter Morris (Illustrator and designer of educational and training material)
By D.D. Perrin, W. L. F. Armarego, Dawn R. Perrin
By John Tingle, Jo Wilson
By Colin H. Simmons, Dennis E. Maguire
By John Oakland, Roy F. Followell, Garland H. Followell
By P A CARSON
By Peter Childs, BSc.(Hons), D.phil, C.Eng, F.I.Mech.E., FASME, FRSA (Professorial Lead in Engineering Design, Co-Director Energy Futures Lab, IMPERIAL COLLEGE LONDON, UK)
By David Butler
By Hadyn Ingram, Josef Ransley
By Michael J. Baker
By Cathy Ace
By Bob Johnson, Alan Hart
By R. Dixon
By Maggie Jones
By Della Fish
By John P. Pryor, Larry I. Lipshultz