TY  - JOUR
A1  - Burch, T.K.
A1  - Gendell, M.
T1  - Extended family structure and fertility: Some conceptual and methodological issues
Y1  - 1970
DO  - 10.2307/350128
UR  - https://doi.org/10.2307/350128
VL  - 32
IS  - 2

ER  -