McGraw-Hill,  . <br/><br/>
Yearbook of Science and Technology 1973 /  

 - Reprinted 1974 /  
 - New York :   McGraw-Hill Book Company. 
 - p.465 :  
<br/><br/><label>ISBN: </label>07-045341-1 
<br/><br/><label>Dewey Class. No.: </label>AK73,N60  / L4