@article{Perelli-Harris2011,
author = {Perelli-Harris, B. and Gerber, T.P. },
title= {Nonmarital childbearing in Russia: Second Demographic Transition or pattern of disadvantage?},
year = {2011},
doi = {10.1007/s13524-010-0001-4},
journal = {Demography},
volume = {48},
number = {1},
pages = {317--342},
}