Griliches Zvi Ed. <br/><br/>
R and D patents and productivity 

 - Chicago  University of Chicago Press         1984 
 - 512p  cm. 
 - National Bureau of Economic Research, Conference Report .
<br/><br/> Bibliography chapterwise 
<br/><br/><label>ISBN: </label>0226308839 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management
<br/><br/><label>Dewey Class. No.: </label>X9:84.73.N8, M4