TY - GEN L1 - http://kpbc.umk.pl/Content/201071/PDF/Ratynska_Helena_430_WSK.pdf L2 - http://kpbc.umk.pl/Content/201071 T1 - RatyƄska Helena UR - http://kpbc.umk.pl/dlibra/publication/edition/201071 ER -