Swarup, R <br/><br/>
Encyclopaedia of ecology, environment & pollution control, Vol.20  environment an assessment 

 - New Delhi  Mittal  1992 
 - [7],412 p. 
<br/><br/><label>ISBN: </label>8170993806 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIAL SCIENCE
<br/><br/><label>Dewey Class. No.: </label>363.7003  / ENC