Tendencies of changes in the natural movement in the Lublin voivodship at the turn of the 20th century
Flaga, MaŁgorzata
Annales Universitatis Mariae Curie-Skłodowska. Sectio B. Geographia, geologia, mineralogia et petrographia, 2010-01, Vol.65 (1)
[Revista revisada por pares]