Rana, S V S <br/><br/>
Essentials of ecology and environmental science 

 - New Delhi  Prentice-Hall  2003 
 - xi, 368p: ill.  
<br/><br/> Includes bibliographical references, glossary and index 
<br/><br/><label>ISBN: </label>81-203-2320-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atmosphere and climate<br/>Biodiversity<br/>Biosphere<br/>Earth<br/>Ecology<br/>Environmental adaptations<br/>Hydrosphere<br/>Lithosphere<br/>Nitrogen cycle