TY  - BOOK
AU  - Cooke,May Thacher
TI  - Flight speed of birds
T2  - Circular / United States Department of Agriculture
AV  - QL698 .C665
PY  - 1973///
CY  - Washington, D.C.
PB  - U.S. Dept. of Agriculture
KW  - Birds
KW  - Flight
N1  - Contribution from Bureau of Biological Survey; Bibliography: p. 10-13
ER  -