Environmental pollution  a guide to current research 

 - Washington, D.C.  Produced from Data gathered by Science Information Exchance Smithsonian Institution  1971 
 - 851 p. ; 29 cm. 
<br/><br/><label>ISBN: </label>0840902794 
<br/><br/><label>LCCN: </label>71-180288 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution--Research--Directories