Proceedings of the third USA-USSR symposium on the effects of pollutants upon aquatic ecosystems :  theoritical aspects of aquatic toxicology 

 - Washington :  United States Government Printing Office,  1980 
 - Various pagings :  ill. ;  28 cm. 
 - EPA-600/9-80-034 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aquatic ecosystems<br/>Aquatic toxicology
<br/><br/><label>Dewey Class. No.: </label>577.7