@article{Kitagawa1955,
author = {Kitagawa, Evelyn M.},
title= {Components of a Difference Between Two Rates*},
year = {1955},
doi = {10.1080/01621459.1955.10501299},
journal = {Journal of the American Statistical Association},
volume = {50},
number = {272},
pages = {1168--1194},
}