Wyniki
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Lowest-low fertility in Japan : consequences for a once-great nation
Michael Sutton
Bulletin of Geography. Socio-Economic Series /12 (2009) s. 61-73 -
Population of American cities : 1950-2009
Witold J. Wilczyński, Piotr L. Wilczyński
Bulletin of Geography. Socio-Economic Series /16 (2011) s. 153-172