Jaffe, Adam B. <br/><br/>
Flows of knowledge from universities and federal labs: modeling the flow of patent citations over time and across institutional and geographic boundaries 

 - Cambridge, MA  NBER  1996 
 - 18p 
 - NBER working paper series .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>WP 5712