Asthana, D K <br/><br/>
Environment : problems and solutions 

 - 2 rev. 
 - New Delhi  S Chand  2001 
 - xix, 434p. : ill.  
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>8121916542 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental engineering