TY  - JOUR
A1  - Powell, B.
A1  - Steelman, L.
T1  - Beyond Sibship Size: Sibling Density, Sex Composition, and Educational Outcomes
Y1  - 1990
DO  - 10.2307/2579613
JF  - Social Forces
VL  - 69
SP  - 181
EP  - -206

ER  -