Dhaliwal, G. S. <br/><br/>
Fundamentals of environmental science 
G. S. Dhaliwal, G. S. Sangha and P. K. Ralhan 
 - New Delhi  Kalyani Publishers  1996 
 - 374p.: fig. tables.; 21cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution<br/>Natural Resources-Environmental Aspects<br/>Environmental Protection
<br/><br/><label>Dewey Class. No.: </label>333.7015  / DHA