Il'in, B N [Possible introduction into the soil of radioactive strontium during the recovery of fertilizing properties from a biological plant for the purification of sewage]. [electronic resource] - Gigiena i sanitariia Jul 1974 - 102-4 p. digital Publication Type: Journal Article ISSN: 0016-9900 Subjects--Topical Terms: SewageSoil PollutantsStrontium RadioisotopesWaste Disposal, Fluid