Encyclopedia of science technology. 

 - New York :  McGraw-Hill,  1977. 
<br/><br/><label>ISBN: </label>0070795908 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Enciclopedias
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>03:6