ISMAIL, Sultan A. <br/><br/>
VERMICOLOGY : THE BIOLOGY OF EARTHWORMS 

 -  Orient Longman Private Limited, Hyderabad   1997 
<br/><br/><label>ISBN: </label>81 250 1010 6 
<br/><br/><label>Dewey Class. No.: </label>592.64  / ISM/VE