@article{Dykstra2007,
author = {Dykstra, Pearl A. and Hagestad, Gunhild O.},
title= {Childlessness and Parenthood in Two Centuries: Different Roads—Different Maps?},
year = {2007},
doi = {10.1177/0192513x07303881},
journal = {Journal of Family Issues},
volume = {28},
number = {11},
pages = {1518--1532},
}