@article{Karn1931,
author = {Karn, M.},
title= {An inquiry into various death-rates and the comparative influence of certain diseases on the duration of life},
year = {1931},
doi = {10.1111/j.1469-1809.1931.tb02080.x},
journal = {Annals of Eugenics},
volume = {4},
number = {3-4},
pages = {279--302},
}