Ladas Stephen P. <br/><br/>
Patents, trademarks, and related rights 
Ladas Stephen P. 
 - Massachusetts  Harvard University Press Massachusetts       1975 
 - 823p  cm. 
 -  Vol. 1 .
<br/><br/><label>Standard No.: </label>18,672 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Z1,2673, L5.1