DRYDEN, J S Treatment of glass and steatite ceramic with quaternary ammonium compounds for the improvement of electrical insulation resistance. [electronic resource] - Nature Jan 1948 - 23 p. digital Publication Type: Journal Article ISSN: 0028-0836 Standard No.: 10.1038/161023a0 doi Subjects--Topical Terms: AirCeramicsGlassHumansMagnesium OxideQuaternary Ammonium CompoundsSilicon Dioxide