@article{Pletcher1999,
author = {Pletcher, S.D.},
title= {Model fitting and hypothesis testing for age-specific mortality data},
year = {1999},
doi = {10.1046/j.1420-9101.1999.00058.x},
journal = {Journal of Evolutionary Biology},
volume = {12},
number = {3},
pages = {430--439},
}