@article{Sharef2010,
author = {Sharef, Emmanuel and Strawderman, Robert L. and Ruppert, David and Cowen, Mark and Halasyamani, Lakshmi},
title= {Bayesian adaptive B-spline estimation in proportional hazards frailty models},
year = {2010},
doi = {10.1214/10-ejs566},
journal = {Electronic Journal of Statistics },
volume = {4},
pages = {606--642},
}