Freeman, Christopher. <br/><br/>
Measurement of output of research and experimental development :  a review paper / 
Christopher Freeman. 
 - Paris :  UNESCO,  c 1970. 
 - 41 p. ;  28 cm. 
 - Statistical reports and studies ; .
<br/><br/>337  337 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research.
<br/><br/><label>Dewey Class. No.: </label>607.2 / U3m