Berthold, P. <br/><br/>
Orientation in birds /ed. by P. Berthold 

 - Basel  Birkhauser  1991 
 - 331p 
 - Experientia Supplementum, V.60 .
<br/><br/><label>ISBN: </label>0817626182 
<br/><br/><label>Dewey Class. No.: </label>598.2525  / N91