Kotpal, R. L. <br/><br/>
The birds :  a text book for all universities / 
by R.L. Kotpal 
 - 4th ed. 
 - Meerut, India :  Rastogi Publications,  1985 
 - 327 p. :  ill. ;  18 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds