Hall, Cyril <br/><br/>
Treasures of the earth 

 - 1st 
 - New Delhi  Vishvaharti Publications  2005 
 - 288p. 
<br/><br/> 19771 
<br/><br/><label>ISBN: </label>9788189000554  595 
<br/><br/><label>Dewey Class. No.: </label>553 HAL C