Harman, Alvin J., <br/><br/>
Measurement of technological innovation by firms / 
Alvin J. Harman   
 - 28 pages ;  28 cm. 
 - The Rand paper series;  P-5496 .
 - The Rand paper series;  P-5496  .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technological innovations--Mathematical models.