PRICE theory:   selected readings / 
edited by Harry Townsend 
 - Harmondsworth  Penguin Books  1973 
 - 488 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>115719 
<br/><br/><label>Dewey Class. No.: </label>338.52  / PRI