"Tripathi, Hariom" <br/><br/>
Vayu mandal sambandhit parayavaran samsaya 

 - New Dehli  Shivank  2013 
 - 240p. 
<br/><br/><label>ISBN: </label>9789380388731 
<br/><br/><label>Subjects--Topical Terms: </label><br/>"Air pollution, Environmental protection"
<br/><br/><label>Dewey Class. No.: </label>H 363.7392 TRI