Makedanz, A [Improvement of radiation protection in preionization of gas discharge tubes]. [electronic resource] - Zeitschrift fur die gesamte Hygiene und ihre Grenzgebiete Aug 1971 - 554-8 p. digital Publication Type: Journal Article ISSN: 0049-8610 Subjects--Topical Terms: HumansKryptonMethodsRadiation ProtectionRadioisotopesRadiumTechnology, Radiologic--instrumentation