@article{Billingsley2011,
author = "Billingsley",
title = "Economic Crisis and Recovery: Changes in Second Birth Rates within Occupational Classes and Educational Groups",
year = 2011,
journal = "Demographic Research",
volume = 24,
pages = "375-406",
doi = "10.4054/DemRes.2011.24.16",
url = "http://www.demographic-research.org/volumes/vol24/16/24-16.pdf"
}