TY - JOUR TI - Nonparametric Estimation from Incomplete Observations AU - Edward L. Kaplan AU - Paul Meier PY - 1992 JO - Springer series in statistics DO - 10.1007/978-1-4612-4380-9_25 UR - https://doi.org/10.1007/978-1-4612-4380-9_25 ER -