TY - GEN L1 - http://kpbc.umk.pl/Content/202711/PDF/Piekarska_Jadwiga_3296_WSK.pdf L2 - http://kpbc.umk.pl/Content/202711 T1 - Piekarska Jadwiga UR - http://kpbc.umk.pl/dlibra/publication/edition/202711 ER -