Bird migrations; ecological and physiological factors. 
B. E. Bykhovskii, editor. Translated from Russian by E. D. Gordon. 
 - New York,  Wiley  [1974, c1973] 
<br/><br/> "A Halsted Press book."  Translation of Ekologicheskie i fiziologicheskie aspekty pereletov ptits. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0470128909 
<br/><br/><label>LCCN: </label>73012279 //r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds -- Migration.--Birds -- Migration.<br/>Birds -- Physiology.--Birds -- Physiology.
<br/><br/><label>LC Class. No.: </label>QL698.9  / .E3713 
<br/><br/><label>Dewey Class. No.: </label>598.2/5/2