1. “Electrons in Gases,”;Townsend,1947
2. “Ionized Gases,”;von Engel,1955
3. Condon R. D., Scholly, P. R., and Averill, W., “Gas Chromatography 1960,” Proceedings of the Third International Symposium (R. P. W. Scott, ed.), p. 30. Academic Press, New York, 1960.
4. Flame Ionization Detector for Gas Chromatography
5. Flame Ionization Detector for Gas Chromatography