Wills, Philip Aubrey  1907- <br/><br/>
On being a bird/ 
Philip Wills 
 - London:  Max Parrish,  1953 
 - 231 p.:  ill., plates, maps;  20 cm. 
<br/><br/>Includes bibliographical reference and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aerodynamics<br/>Flightless birds<br/>Airplanes--Study and teaching<br/>Flight<br/>Gliders(Aeronautics)
<br/><br/><label>Dewey Class. No.: </label>629.1323