Kathal, P K <br/><br/>
Microfossils and their applications  
/ by  P K Kathal 
 - New Delhi:    CBS Publishers;   1998 .  
 - v,144p. 
<br/><br/><label>ISBN: </label>8123905920  
<br/><br/><label>Dewey Class. No.: </label>560.47   / KAT/M