@article{Philipov2008,
author = "Philipov, D. and Jasilioniene, A.",
title = "Union formation and fertility in Bulgaria and Russia: A life table description of recent trends",
year = 2008,
journal = "Demographic Research",
volume = 19,
number = 62,
pages = "2057-2114",
month = "Dec",
keywords = "bulgaria, fertility, life tables, russia, union formation",
doi = "10.4054/DemRes.2008.19.62",
url = "http://www.demographic-research.org/volumes/vol19/62/19-62.pdf"
}