[HYGIENIC FEATURES OF THE WATER SUPPLY SYSTEM OF STAVROPOL AND MEASURES FOR IMPROVING IT].
D006801:Humans; D014586:USSR; D014871:Water Microbiology; D014881:Water Supply
USSR; WATER MICROBIOLOGY
GIGIENICHESKAIA KHARAKTERISTIKA VODOSNABZHENIIA STAVROPOLIA I MERY PO EGO ULUCHSHENIIU.