Munzer, Stephen. <br/><br/>
Legal validity. 

 - The Hague :  Martinus Nijhoff,  1972. 
 - 74 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>9024712157 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Law.