@article{Andersson2009,
author = {Andersson, G. and Ronsen, M. and Knudsen, L.B. and Lappegard, T. and Neyer, G. and Skrede, K. and Teschner, K. and Vikat, A. },
title= {Cohort fertility patterns in the Nordic countries},
year = {2009},
doi = {10.4054/DemRes.2009.20.14},
journal = {Demographic Research},
volume = {20},
pages = {313--52},
}