TY  - JOUR
A1  - Menken, J.
T1  - Seasonal Migration and Seasonal Variation in Fecundability: Effects on Birth Rates and Birth Intervals
Y1  - 1979
DO  - 10.2307/2061082
JF  - Demography
VL  - 16
IS  - 1
SP  - 103
EP  - -119

ER  -