1. 1) N. E. Whitman and A. E. Johnston, Am. Ind. Hyg. Assoc. J. 25 (1964) 464–469.
2. 2) F. H. Reid and W. R. Halpin, Am. Ind. Hyg. Assoc. J. 29 (1968) 390–396.
3. 3) V. G. Berezkin and Y. S. Drugov, Gas Chromatography in Air Pollution Analysis, Journal of Chromatography Library, volume 49 (1991) Elsevier Science Publishers, Amsterdam.
4. 4) American Society for Testing and Materials, Sampling and Calibration for Atmospheric Measurements, ASTM Special Technical Publication 957 (J. K. Taylor, ed.) (1987) ASTM International, Philadelphia.
5. 5) The Japan Association for Working Environment Measurement, Working environment measurement guidebook Vol. 5 Organic solvents (4th edition) (2012) The Japan Association for Working Environment Measurement, Tokyo [in Japanese].