Achinger, W C A guide for selected sampling methods for different source conditions. [electronic resource] - Journal of the Air Pollution Control Association Sep 1968 - 605-9 p. digital Publication Type: Journal Article ISSN: 0002-2470 Standard No.: 10.1080/00022470.1968.10469175 doi Subjects--Topical Terms: Air PollutionSampling StudiesSpecimen Handling