TY  - JOUR
A1  - Wolfe, B.
A1  - Haveman, R.
A1  - Ginther, D.
A1  - An, C.B.
T1  - The ‘window problem’ in studies of children’s attainments: A methodological exploration
Y1  - 1996
DO  - 10.1080/01621459.1996.10476967
VL  - 91
IS  - 435

ER  -