@inbook{Strandberg-Larsen2007,
author = {Strandberg-Larsen, K. and Knudsen, L. and Thygesen, L. and Keiding, N.},
title= {Second-birth rates in Denmark from 1980 to 1994. Does spacing between the first and the second child depend on the age at initiating childbirth},
year = {2007},
editor = {Knudsen, L.},
booktitle = {Our Demographic Future - a Challenge: On the Need for Demographic Analyses, volume 15 of Scandinavian Population Studies},
publisher = {Nordic Demographic Society, Aalborg Universitetsforlag},
}