Shishko, Robert,, <br/><br/>
An optimal control model of product improvement R & D / 
robert Shishko 
 - 32 pages ;  28 cm. 
 - The Rand paper series;  P-4668 .
 - The Rand paper series;  P-4668 .
<br/><br/>Includes bibliographical references: page 32 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research, Industrial--Management.<br/>Mathematical optimization.