KOTPAL , R.L . <br/><br/>
ECHINODERMATA  

 - 5TH. 
 - MEERUT  RASTOGI PUBLICATION  1998 
 - 219.:  20CM. 
<br/><br/><label>Subjects--Index Terms: </label>Marine & seashore invertebrates 
<br/><br/><label>Dewey Class. No.: </label>593.9 KOT