Essential environmental science :  methods and techniques / 
edited by Simon Watts and Lyndsay Halliwell 
 - London :  Routledge,  c1996. 
 - xx, 512 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0415132479 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science
<br/><br/><label>LC Class. No.: </label>GE70  / .E87 1996