ANANTHAKRISHNAN,TN EKAMBARNATH IYER,M <br/><br/>
Manual Of Zoology.Vol.1.Part.2.Invertibrata 

 - 5th Ed.  Rev. & Enl. Edition 
 -  S Viswanathan Printers ,  1991 
 - 435p 
<br/><br/><label>Dewey Class. No.: </label>592  / EKA/M