@article{Perelli-Harris2011,
author = "Perelli-Harris, B. and Sigle-Rushton, W. and Kreyenfeld, M. and Lappegard, T. and Keizer, R. and Berghammer, C.",
title = "The educational gradient of childbearing within cohabitation in Europe",
year = 2011,
journal = "Population and Development Review",
volume = 36,
number = 4,
pages = "775-801",
doi = "10.1111/j.1728-4457.2010.00357.x",
url = "http://onlinelibrary.wiley.com/doi/10.1111/j.1728-4457.2010.00357.x/pdf",
note = "first published online, December 2010"
}