@article{Pullum1989,
author = {Pullum, T.W. and Tedrow, L.M. and Herting, J.R.},
title= {Measuring change and continuity in parity distributions},
year = {1989},
doi = {10.2307/2061608},
journal = {Demography},
volume = {26},
number = {3},
pages = {485--498},
}