@inbook{Arjas1992,
author = {Arjas, E. and Kangas, P.},
title= {A discrete-time method for the analysis of event histories},
year = {1992},
editor = {Trussel, J.},
editor = {Hankinson, R.},
editor = {Tilton, J.},
booktitle = {Demographic applications of event history analysis},
address = {Oxford},
publisher = {Clarendon},
pages = {253‒266},
}