Conard, Joseph W. <br/><br/>
An introduction to the theory of interest. 

 - Berkeley, Calif. :  University of California Press,  1959. 
 - 375 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Interest.