TY  - JOUR
A1  - Angrist, J.D.
A1  - Krueger, A.B.
T1  - The effect of age at school entry on educational attainment: An application on instrumental variables with moments from two samples
Y1  - 1992
DO  - 10.1080/01621459.1992.10475212
JF  - Journal of the American Statistical Association
VL  - 87
IS  - 418

ER  -