@article{Kravdal2002a,
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 = {2002a},
doi = {10.4054/DemRes.2002.6.9},
URL = {http://www.demographic-research.org/Volumes/Vol6/9/default.htm},
journal = {Demographic Research},
volume = {6},
number = {9},
pages = {241--262},
}