Hemenway, David <br/><br/>
Prices and choices / 
David Hemenway 
 - Cambridge :  Ballinger Publishing Company,  1977       
 - x, 196 p. 
<br/><br/><label>ISBN: </label>0884106632 
<br/><br/><label>LC Class. No.: </label>HB 171.5 H488p 1977