@article{KreyenfeldPerelliHarrisSigleRushtonetal.2014, author = {Michaela Kreyenfeld and Brienna Perelli-Harris and Wendy Sigle-Rushton and Trude Lappegard and Caroline Berghammer and Renske Keizer}, title = {The educational gradient of nonmarital childbearing in Europe}, journal = {Population and Development Review}, volume = {36}, number = {4}, pages = {775 -- 801}, url = {http://www.demogr.mpg.de/papers/working/wp-2010-004.pdf}, year = {2014}, }