Schwalbach, Joachim; Zimmermann, Klaus F <br/><br/>
Poisson model of patenting and firm structure in Germany 

 -  Wissenschaftszentrum, Berlin  1989 
 - 23  See WZ 330 FIT (Includes Acc. Nos. 32341, 32342 , 32343 & 32344) 
<br/><br/><label>ISBN: </label>FS IV 89 - 18 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS