@article{Li2008,
author = {Li, J. S.-H. and Hardy, M.R. and Tan, K.S.},
title= {Threshold life tables and their applications},
year = {2008},
doi = {10.1080/10920277.2008.10597505},
journal = {North American Actuarial Journal},
volume = {12},
number = {2},
pages = {99--115},
}