@book{Kalbfleisch2002,
author = {Kalbfleisch, J.D. and Prentice, R.L.},
title= {The statistical analysis of failure time data (2nd ed.)},
year = {2002},
doi = {10.1002/9781118032985},
address = {Hoboken},
publisher = {Wiley-Interscience},
}