TY  - JOUR
A1  - Watkins, S.C.
A1  - Menken, J.A.
A1  - Bongaarts, J.
T1  - Demographic foundations of family change
Y1  - 1987
JF  - American Sociological Review
VL  - 52
IS  - 3
SP  - 346
EP  - -358

ER  -