(NgIGIENA VEN]INY (B/s - (NpOBEDINSKIJ(B, (NmIHAIL nIKOLAEWI^s; (NsTEPANOW(B, (NlEONID gRIGORXEWI^s ((NmOSKWA (B:s (NmEDGIZ(B,s, 1959)
Keywords: (NgIGIENAs; (NvEN]INYs