Mishr, Kailash Chandra <br/><br/>
Paristhiti vigyan 

 - Lucknow  Uttar Pradesh Hindi Granth Academy  1973 
 - 183 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paristhiti vigyan
<br/><br/><label>Dewey Class. No.: </label>891.43 M66P