Kotpal, R.L.  <br/><br/>
Porifera   a textbook for college and university students 

 - 7th ed. 
 - Meerut  Rastogi Publications  1996 
 - viii, 128p  ill. 
<br/><br/><label>ISBN: </label>8171332218 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology<br/>Marine & seashore invertebrates 
<br/><br/><label>Dewey Class. No.: </label>593.4  / KOT