TY  - JOUR
A1  - Kaplan, E.L.
A1  - Meier, P.
T1  - Nonparametric estimation from incomplete observations
Y1  - 1958
DO  - 10.2307/2281868
JF  - Journal of the American Statistical Association
VL  - 53
IS  - 282
SP  - 457
EP  - -481

ER  -