@article{Wrycza2014,
author = {Wrycza, Tomasz},
title= {Entropy of the Gompertz-Makeham mortality model},
year = {2014},
doi = {10.4054/DemRes.2014.30.49},
journal = {Demographic Research},
volume = {30},
number = {49},
pages = {1397--1404},
}