TY  - JOUR
A1  - Goto, F.
T1  - Achieving Semiparametric Efficiency Bounds in Left-Censored Duration Models
Y1  - 1996
DO  - 10.2307/2171791
JF  - Econometrica
VL  - 64
IS  - 2
SP  - 439
EP  - -442

ER  -