(NiSPOLXZOWANIQ SREDSTW OBU^ENIQ NA UROKAH BIOLOGIIs - (NrOZEN[TEJN a(B. (Nm(B., (NpUGAL n(B. (Na(B., (NkOWALOWA i(B. (Nn(B.s ((NmOSKWAs (NpROSWE]ENIEs, 1989)