Mansfield Edwin <br/><br/>
Industrial research and technological innovation 

 - London  Longmans            1968 
 - xiii, 235p  cm. 
 - Cowles Foundation for Research in Economics .
<br/><br/> Bibliography: P 222-30; Appendix: P 211-21 
<br/><br/><label>ISBN: </label>58250079 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X9:84.73.N6, K8