Patra, Pulak Kr. <br/><br/>
A  text  book  of  climatology 

 - 1st /   20\12. 
 - Ludhiyana:   Kalyani  Publishers.  2012. 
 - 255p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>  Geography., Climatology. 
<br/><br/><label>Dewey Class. No.: </label>551.6