TY  - JOUR
A1  - Sayer, L.C.
A1  - Bianchi, S.
A1  - Robinson, J.
T1  - Are parents investing less in children? Trends in mothers’ and fathers’ time with children
Y1  - 2004
DO  - 10.1086/386270
JF  - American Journal of Sociology
VL  - 110
IS  - 1

ER  -