5 treff

The flight of birds : the significant dimensions, their departure from the requirements for dimensional similarity, and the effect on flight aerodynamics of that departure
Crawford H. Greenewalt
Bok Engelsk 1975
Bird song: acoustics and physiology
[by] Crawford H. Greenewalt
Bok Engelsk 1968
Dimensional relationships for flying animals
by Crawford H. Greenewalt
Bok Engelsk 1962
Hummingbirds
Crawford H. Greenewalt ; with a foreword ...
Bok Engelsk 1960
The uncommon man : the individual in the organization
Greenewalt, Crawford H.
Bok Engelsk 1959