Walker, C. H. <br/><br/>
Principles of ecotoxicology.Ed.4 
C.H. Walker, R.M. Sibly, S.P. Hopkin, D.B. Peakall. 
 - 4th ed. 
 - Boca Raton, FL :  CRC Press,  2012. 
 - xxv, 360 p. :  ill. ;  26 cm. 
<br/><br/> Rev. ed. of: Principles of ecotoxicology / C.H. Walker ... [et al.]. c2006. 
<br/><br/><label>ISBN: </label>1439862664 9781439862667 (pbk.) 
<br/><br/><label>Dewey Class. No.: </label>577.27  / Q2