By Brindley, Keith
By Richard A. Williams
By Dana F. Geiger
By R. I. Damper
By R. K. Rajput
By Joseph D. Bronzino (Trinity College, Hartford, Connecticut, USA)
By Bryan Milner, Jean Martin, Peter Evans
By George Cushing
By David Mcmahon
By John Atkinson
By Gerd Schraner
By Mihajlo D. Mesarovic, etc.
By L.M. Gourd
By Collins GCSE
By C. V Collett, a. D Hope
By Andrew Boyce, Ernie Cooke, Robert Jones, Bill Mantovani, David Roberts
By Raymond J. Roark, Warren C. Young
By A. J. Baker
By R. H. S. Winterton (Senior Lecturer in Mechanical Engineering, School of Manufacturing and Mechanical Engineering, Senior Lecturer in Mechanical Engineering, University of Birmingham)
By Timothy J. Mason (Professor, Sonochemistry Centre, Professor, Coventry University)
By J. L. Meriam
By Laughlin, Robert
By Ian Smith
By Frank White
By R. M. Jex, Em Willmott
By JH Westbrook
By John Morgan, Martin Brenig-Jones
By Jim Litster (University of Sheffield)