@article{Tillman2008,
author = {Tillman, K.H. and Nam, C.B.},
title= {Family structure outcomes of alternative family definitions},
year = {2008},
doi = {10.1007/s11113-007-9067-0},
journal = {Population Research and Policy Review},
volume = {27},
number = {3},
pages = {367--384},
}