Principles of ecotoxicology / 
C.H. Walker ... [and others]. 
 - 3rd ed. 
 - 315 pages :  illustrations ;  26 cm. 
<br/><br/><label>ISBN: </label>9780849336355 084933635X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution --Environmental aspects.<br/>Nature --Effect of human beings on.<br/>Environmental toxicology.
<br/><br/><label>LC Class. No.: </label>QH545.A1   / .P74 2006