TY  - BOOK
AU  - Bykhovskii,B.E.
TI  - Bird migrations: ecological and physiological factors 
SN  - 0470128909
PY  - 1973///
CY  - New York
PB  - John Wiley & Sons
KW  - Birds
KW  - Migration
KW  - Physiology
N1  - Bibliography : p. 295-296; Original title; Ekologicheskie i fiziologicheskie aspekty pereleletov ptits
ER  -