TY - GEN PB - IGiPZ PAN N1 - 24 cm L1 - http://www.rcin.org.pl/igipz/Content/14206/PDF/WA51_16287_r1976-t48-z1_Przeg-Geogra.pdf M3 - Text CY - Warszawa PY - 1976 KW - national space economy KW - inner migration KW - investments KW - regional development KW - passenger transport KW - nightfrost KW - vegetative period KW - natural environment KW - Poland KW - Bydgoszcz-Toruń agglomeration T1 - Przegląd Geograficzny T. 48 z. 1 (1976) UR - http://www.rcin.org.pl/igipz/dlibra/publication/edition/14206 ER -