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
JF  - Journal of Marriage and Family
VL  - 32
IS  - 2
SP  - 227
EP  - -236

ER  -