Kotpal, R. L. <br/><br/>
A textbook of minor phyla / 
R.L. Kotpal. 
 - 5th ed. 
 - Meerut :  Rastogi Publications,  1985. 
 - viii, 267 p. :  ill. ;  18 cm. 
 - Zoology phylum ;  9. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology--India--Classification.