Berle Alf K <br/><br/>
Inventions, patents, and their management 

 -  1959 
 - Published Previously As Inventions And Their Management .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial Economy
<br/><br/><label>Dewey Class. No.: </label>X9:(Z,2673), J9