(NgIGIENA GORODAs - (NzARUBIN(B,(Ng(B. (Np(B.s (NgEORGIJ pETROWI^s; (NnOWIKOW(B,(N`(B. (Nw(B.s (N`RIJ wLADIMIROWI^s ((Nm(B.s (NmEDICINAs, 1986)
Keywords: (NgORODAs -- (NsANITARIQ I GIGIENAs