Kotpal, R.L. <br/><br/>
The birds :  a text book for university students / 
R.L. Kotpal. 
 - 4th ed. 
 - Meerut :  Rostogi Publications,  1991. 
 - x, 327 p. :  ill. ;  19 cm. 
 - Zoology phylum books. .
<br/><br/><label>ISBN: </label>8171330924 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds.
<br/><br/><label>Dewey Class. No.: </label>598