Wheeler, Mortimer <br/><br/>
Prithvi se puratatva 

 - New Delhi  Vaighyanic Tatha Takniki SABD Publishersavali Aayog  1968 
 - xiv, 304 p. 
<br/><br/><label>ISBN: </label> RS5.5 
<br/><br/><label>Dewey Class. No.: </label>913 W565P