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The article "Air germ numbers and particles for round jet impactors" describes the statistic correction ability of the KBE figures
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The article "Investment adviser" describes the key information required when acquiring a microbiological air sampling system.
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The article "Measurement of small ions in the indoor air" describes, in generic form, air ions, measurement methods and influencing factors on the air ion concentration as well as additional references.
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The article "Radon and ions" describes how air ionisation caused by radon can be swiftly and easily detected using an ionometer
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