@article{Miller1993,
author = {Miller, W.B. and Pasta, D.J.},
title= {Motivational and Nonmotivational Determinants of Child-Number Desires},
year = {1993},
doi = {10.1007/BF02209405},
journal = {Population and Environment},
volume = {15},
number = {2},
pages = {113--138},
}