@article{Ericksen1979,
author = {Ericksen, J.A. and Ericksen, E.P. and Hostetler, J.A. and Huntington, G.E.},
title= {Fertility patterns and trends among the old order Amish},
year = {1979},
doi = {10.2307/2173531},
volume = {33},
number = {2},
pages = {255--276},
}