[Microflora of underground waters of Nizhniĭ Povolzh'e region and its possible use in oil prospecting].
D010578:Petroleum; D014586:USSR; D014871:Water Microbiology
D010578:Petroleum
Mikroflora podzemnykh vod nizhnego Povolzh'ia i vozmozhnost' ee ispol'zovaniia v neftepoiskovykh tseliakh.