Johnsgard, Paul A. <br/><br/>
Handbook of waterfowl behavior / 
by Paul A. Johnsgard 
 - Ithaca, N.Y. :  Comstock Pub. Associates,  c1965 
 - xiv, 378 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> USD 10.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Waterfowl--Breeding
<br/><br/><label>Dewey Class. No.: </label>598.4