Twnety-third pugwash conference on science and world affairs   proceedings 

 -  1973 
<br/><br/> DSK Collection 
<br/><br/><label>Standard No.: </label>103957 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Ap575'N73, L3