Pimentel, David. <br/><br/>
Ecological effects of pesticides on non-target species 

 - Washington :  Government Printing Office,  1971 
 - 220 p. 
<br/><br/><label>LCCN: </label>50215 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecología.<br/>Pesticidas--Efecto en la vida silvestre.<br/>Pesticidas--Efecto en plantas.
<br/><br/><label>Dewey Class. No.: </label>632.95  / P5