the soil core microcosm :  a potential screening tool 

 - Washington :  Officeal Business,  1979 
 - 41 p. :  26 cm. 
<br/><br/> EPA 600/3-79-089 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pesticides--Environmental aspects<br/>Pollution--Environmental aspects
<br/><br/><label>Dewey Class. No.: </label>363.7384