@techreport{Philipov2007,
author = {Philipov, D. and Jasilioniene, A.},
title= {Union formation and fertility in Bulgaria and Russia: a life table description of recent trends},
year = {2007},
doi = {10.4054/DemRes.2008.19.62},
URL = {http://www.demogr.mpg.de/Papers/Working/WP-2007-005.pdf},
publisher = {Max Planck Institute for Demographic Research},
address = {Rostock},
number = {MPIDR Working paper WP 2007-05},
}