@book{Statistics Sweden1999,
author = {Statistics Sweden},
title= {Befolkningsutvecklingen under 250 år: Historisk statistik för Sverige [Population development in Sweden in a 250-year perspective]},
year = {1999},
URL = {https://gupea.ub.gu.se/bitstream/2077/857/1/Befolkningutveckling%20under%20250.pdf},
address = {Stockholm},
publisher = {Statistiska centralbyrån},
}