@article{Lewis1999,
author = {Lewis, S.M. and Raftery, A.E.},
title= {Bayesian analysis of event history models with unobserved heterogeneity via Markov Chain Monte Carlo},
year = {1999},
doi = {10.1177/0049124199028001003},
volume = {28},
number = {1},
pages = {35--60},
}