TY  - BOOK
AU  - Marshall,A.J.,ed
TI  - Biology and comparative physiology of birds
U1  - 598 23
PY  - 1961/// [Printing 1969]
CY  - New York, London
PB  - Academic Press
KW  - Birds
KW  - Physiology
KW  - Ornithology
N1  - Includes index and bibliographies; Vol. 1 -- V. 2 --
ER  -