Bhatia, A L <br/><br/>
Textbook of environmental biology 

 -  I K International  New Delhi  2010 
 - xii, 418p  
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9788188237876 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air pollution<br/>Biogeochemical cycles<br/>Ecology and encironment<br/>Ecosystem<br/>Environmental biology<br/>Environmental pollution<br/>Natural resources<br/>Soil pollution<br/>Water pollution