TY  - BOOK
AU  - Alerstam,Thomas
AU  - Christie,David A.
TI  - Bird migration
SN  - 0521448220
PY  - 1990///
CY  - New York
PB  - Cambridge University Press
KW  - Birds
KW  - Migration
N1  - Originally published in Swedish as Fagelflyttning by Bokforlaget Signum in 1982-T.p. verso; Bibliography : p. 393-408
ER  -