NIL <br/><br/>
McGraw-Hill encyelopedia of science and technology V.12. 

 - New York  McGraw-Hill Book Company  1960 
 - 757 pages,  28 cm. 
<br/><br/> 7310/84  7 
<br/><br/><label>ISBN: </label>00707955908 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General Encyclopedia
<br/><br/><label>Dewey Class. No.: </label>503 ENC