David M Gay

The Twelve Powers in You by David Williamson,Gay Lynn Williamson M. a. Psy,Robert Knapp M. D. Health Communications Paperback 1 January 2000 from£N/A | RRP: ~~£8.1~~
Ampl: A Modeling Language for Mathematical Programming (The Scientific Press series) by Robert Fourer,Brian W. Kernighan,David M. Gay Duxbury Press Hardcover 12 February 1997 from£70.05 | RRP: ~~£31.53~~