Immelmann Klaus Ed <br/><br/>
Grzimek's encyclopedia of ethology 

 - New York  Van Nostrand Reinhold       1977 
 - 705p  cm. 
<br/><br/><label>Standard No.: </label>21984 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ZOOLOGY
<br/><br/><label>Dewey Class. No.: </label>K:56k, L7