Walker, C. H. <br/><br/>
Principles of ecotoxicology / 
C.H. Walker, R.M. Sibly, S.P. Hopkin, D.B. Peakall. 
 - 4th ed. 
 - Boca Raton, FL :  CRC Press,  2012. 
 - xxi, 353 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781138628069 
<br/><br/><label>LCCN: </label>2012000511 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution.--.<br/>Environmental toxicology.<br/> Environmental Science.
<br/><br/><label>LC Class. No.: </label>QH545.A1  / P745 2012 
<br/><br/><label>Dewey Class. No.: </label>577.27 WAL-P