Westphal, Larry E. <br/><br/>
Planning investments with economies of scale 
by Larry E. Westphal 
 - Amsterdam  North-Holland Publishing Company  1971 
 - xxiii, 380p.;  23cm.- 
 - Contribution to economic analysis; no.69 .
<br/><br/><label>Dewey Class. No.: </label>338.9  / WES