Singh, J S <br/><br/>
Ecology environment and resource conservation 

 - New Delhi  Anamaya Publishers  2006 
 - xxvii, 688p  
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>8188342556 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air and noise pollution<br/>Ecology<br/>Ecosystem structure  Processes<br/>Ecotoxicology<br/>Environmental science<br/>Natural resources<br/>Resource conservation<br/>Soil pollution<br/>Water pollution