Penrose, Edith Tilton <br/><br/>
The economics of the international patent system 
by Edith Tilton Penrose 
 - Baltimore  The Johns Hopkins Press  1951 
 - xv, 247p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patents (International law)<br/>Patents
<br/><br/><label>Dewey Class. No.: </label>U24 P386