@article{Astone1999,
author = {Astone, N.M. and Nathanson, C.A. and Schoen, R. and Kim, Y.J.},
title= {Family Demography, Social Theory, and Investment in Social Capital},
year = {1999},
doi = {10.1111/j.1728-4457.1999.00001.x},
journal = {Population and Development Review},
volume = {25},
pages = {1--31},
}