[1] Sawada S, Kobayashi K. Dustdetection using mutiple reflection [J]. Appl. Opt., 1991, 30:4966

[3] Glenn K F. Radiation Detection and Measurement [M]. Wiley John &Sons, 1979.

[5] Papoulis Athanasios. Probability Random Variables and Stochastic Processes [M], 2ndEdition. McGraw-Hill Inc.1984.

[6] Williama G D. Introduction to Random Processes with Applications to Signals andSystems [M]. New York

[7] Wilkioson D H. Ionization Chambers, Counters [M]. London: Cambridge UniversityPress, 1950.

[8] Price W J, Nuclear Radiation Detectors [M], 2nd Edition, Chapter 5. New York:McGraw-Hill book Co., 1964.

[9] Sharpe J. Nuclear Radiation Detectors [M], 2nd Edition. London: Methuen and Co.Ltd., 1964.

[10] Emery E W. Geiger-Muller and Proportional Counters, in Radiation Dosimetry [M].New York: Academic Press,1966.