Walker, C.H...[et al.] <br/><br/>
Principles of ecotoxicology  _ 

 - 4th ed. 
 - New York  CRC Press  2012 
 - xxv,360p.  PB  25cm. 
<br/><br/> includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781439862667 
<br/><br/><label>Subjects--Personal Names: </label>   _ 
<br/><br/><label>Dewey Class. No.: </label>577.27  / PRI