@book{Klein2003,
author = {Klein, J.P. and Moeschberger, M.L.},
title= {Survival analysis: Techniques for censored and truncated data},
year = {2003},
doi = {10.1007/978-1-4757-2728-9},
URL = {http://dx.doi.org/10.1007/978-1-4757-2728-9},
address = {New York},
publisher = {Springer-Verlag},
}