Twentieth pugwash conference on science and world affairs    proceedings 

 -  1970 
<br/><br/> DSK Collection 
<br/><br/><label>Standard No.: </label>103956 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SCIENCE
<br/><br/><label>Dewey Class. No.: </label>Ap73'N70, L0