@book{Tsuya2009,
author = {Tsuya, N.O. and Choe, M.K. and Bumpass, L.L. and Rindfuss, R.R.},
title= {National Survey on Family and Economic Conditions},
year = {2009},
doi = {10.3886/ICPSR21120.v1},
address = {Ann Arbor},
publisher = {Inter-University Consortium for Political and Social Research},
}