Betancourt, Roger R. <br/><br/>
Capital utilization :  a theoretical and empirical analysis / 
by Robert R. Betancourt, Christopher K. Clagne 
 - Cambridge :  Cambridge University Press,  1981 
 - 245p. ;  23cm. 
<br/><br/>Bibliography : p. 234-240 
<br/><br/><label>ISBN: </label>0521235839 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Capital productivity<br/>Capital<br/>Shift systems