McGraw-Hill encyclopedia of environmental science / 
Daniel N. Lapedes, ed. in chief. 
 -  McGraw-Hill,  1974. 
 - 754 S.  zahlr. Ill. 
<br/><br/> Includes bibliogr. references and index. 
<br/><br/><label>ISBN: </label>0070452601 
<br/><br/><label>Universal Decimal Class. No.: </label>504(031)