@book{UBHD-1046256, author={Overbeek, Johannes}, title={History of population theories}, publisher={Univ. Pr.}, address={Rotterdam}, year={1974}, pages={XI, 232 S.}, language={eng}, isbn={90-237-2254-X and 978-90-237-2254-0}, keywords={Demographie / Geschichte ; Demographie}, library={WS [Signatur: WS/QU 000 O96]}, }