[Water study for the presence of Escherichia coli group bacteria according to All-Union State Standard 18963-73].
D004926:Escherichia coli / Q000302:isolation & purification*; D014586:USSR; D014871:Water Microbiology; D014881:Water Supply / Q000592:standards*
Issledovanie vody na prisutstvie bakteriĭ gruppy kishechnykh palochek po GOSTu 18963-73.