@inbook{Oakes1992,
author = {Oakes, D.},
title= {Frailty Models For Multiple Event Times},
year = {1992},
doi = {10.1007/978-94-015-7983-4_22},
editor = {Klein, J.P.},
editor = {Goel, P.K.},
booktitle = {Survival Analysis: State of the Art},
publisher = {Springer Netherlands},
pages = {371--379},
}