Leroux, J Flexibility of x-ray emission spectrography as adapted to microanalysis of air pollutants. [electronic resource] - Journal of the Air Pollution Control Association Jun 1970 - 402-4 p. digital Publication Type: Journal Article ISSN: 0002-2470 Standard No.: 10.1080/00022470.1970.10469420 doi Subjects--Topical Terms: Air PollutionDust--analysisFiltrationLead--analysisMethodsMicrochemistry--instrumentationSpectrum AnalysisTrace Elements--analysis