Szymańska D, Środa-Murawska S, Biegańska J. Germany - Two Demographically Different States?. BGSS [Internet]. 2008 Dec. 22 [cited 2024 Apr. 24];(10):85–92. Available from: https://apcz.umk.pl/BGSS/article/view/v10089-008-0015-5