@article{Rindfuss1989,
author = {Rindfuss, R.R. and Parnell, A.M.},
title= {The varying connection between marital status and childbearing in the United States},
year = {1989},
doi = {10.2307/1972442},
journal = {Population and Development Review},
volume = {15},
number = {3},
pages = {447--470},
}