@article{Bijwaard2006,
author = {Bijwaard, G.E. and Franses, P.H. and Paap, R.},
title= {Modeling Purchases as Repeated Events},
year = {2006},
doi = {10.1198/073500106000000242},
journal = {Journal of Business & Economic Statistics},
volume = {24},
number = {4},
pages = {487--502},
}