Simmons, Peter J. <br/><br/>
Choice and demand/ 
Peter J. Simmons. 
 - London :  Macmillan ,  1974. 
 - 120 p. 
<br/><br/> "A Halsted Press book." 
<br/><br/><label>ISBN: </label>0333155130 (hardcover) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Consumption (Economics)-Mathematical models.--
<br/><br/><label>Dewey Class. No.: </label>339.47  / Ch