@techreport{Perelli-Harris2009,
author = {Perelli-Harris, B. and Sigle-Rushton, W. and Lappegard, T. and Jasilioniene, J. and Di Giulio, P. and Keizer, R. and Koeppen, K. and Berghammer, C. and Kreyenfeld, M.},
title= {Examining nonmarital childbearing in Europe: How does union context differ across countries?},
year = {2009},
publisher = {Max Planck Institute for Demographic Research},
address = {Rostock},
}