1.
CHABERKO, Tomasz, FEDIRKO, Anna & KRETOWICZ, Paweł. Social and spatial dimensions of demographic processes in Beijing municipality at the turn of the 21st century. Bulletin of Geography. Socio-economic Series [online]. 1 December 2011, nr 16, s. 5–19. [accessed 3.12.2021]. DOI 10.1515/v10089-011-0011-z.