Kotpal, R. L. <br/><br/>
The birds:  a text book for university students/ 
R.L. Kotpal 
 - india:  Rastogi Publications,  1990. 
 - x, 327 p.;  ill.;  18 cm. 
<br/><br/> includes  bibliographical references and Index 
<br/><br/><label>ISBN: </label>8171330924 
<br/><br/><label>Subjects--Topical Terms: </label><br/>chordate
<br/><br/><label>LC Class. No.: </label>DUCE QL692