ANANTHAKRISHNAN, T.N. EKAMBARANATHA AYYAR, M. <br/><br/>
MANUAL OF ZOOLOGY, Volume II-Part 1: CHORDATA 

 - Madras  S.Viswanathan Publishers, Madras   1992 
<br/><br/><label>Dewey Class. No.: </label>596  / EKA/MA