@article{Kravdal2002,
author = {Kravdal, Ø.},
title= {Is the previously reported increase in second- and higher-order birth rates in Norway and Sweden from the mid-1970s real or a result of inadequate estimation methods? },
year = {2002},
doi = {10.4054/DemRes.2002.6.9},
URL = {http://www.demographicresearch.org/Volumes/Vol6/9},
journal = {Demographic Research},
volume = {6},
pages = {241--262},
}