Deleanu, M [Data on the variations of the microion content of air in closed rooms]. [electronic resource] - Zeitschrift fur die gesamte Hygiene und ihre Grenzgebiete Aug 1965 - 584-90 p. digital Publication Type: Journal Article ISSN: 0049-8610 Subjects--Topical Terms: AirAir IonizationHousingIonsSeasons