1. Bode, D. E., Johnson, T. H. and Mclean, B. N., 1965, “Lead Selenide Detector for Intermediate Temperature Operation,” The Optical Society of America, Vol. 4, No. 3, pp. 327–331.
2. Collings, N. and Willey, J., 1987, “Cyclically Resolved HC Emissions from a Spark Ignition Engine, ” SAE 871619.
3. Govind, P. Agrawal, 2002, “Fiber-Optic Communication Systems, ” John Wiley & Sons, Inc., New York, pp. 92–93.
4. Johnson, T. H., Cozine, H. T. and Mclean, B. N., 1965, “Lead Selenide Detectors for Ambient Temperature Operation,” The Optical Society of America, Vol. 4, No. 6, pp. 693–696.
5. Kimio Miyatake, Kozo Ishida, Hiroji Kohsaka, and Neal Harvey, 1990, “Fast Response NDIR for Real-Time Exhaust Measurement, ” SAE 900501.