title: [On the problems of standardization of germ count and air sterilization procedures].
mesh_terms: D000336:Aerosols; D000388:Air; D000391:Air Microbiology; D001412:Bacillus subtilis / Q000302:isolation & purification; D005374:Filtration; D008722:Methods / Q000592:standards; D013210:Staphylococcus / Q000302:isolation & purification; D013242:Sterilization / Q000295:instrumentation*; D014466:Ultraviolet Rays
chemical_list: D000336:Aerosols
vernacular_title: Zu Fragen der Standardisierung bon Keimzähl- und Luftenkeimmungsverfahren.