The theory of interest : as determined by impatience to spend income and opportunity to invest it/  as determined by impatience to spend income and opportunity to invest it 
Irving Fisher 
 - New York:  Martino Publishing,  2012. 
 - 566 p. :  23 cm.  
<br/><br/> Include index.  
<br/><br/><label>ISBN: </label>9781614273318 
<br/><br/><label>LC Class. No.: </label>HB539  / .F57 2012