[1] Cai X S, Wang N L. Determination of particle size distribution using the light extinction method. Advanced Powder Technol., 1992, 3(3):

[2] Czewinski M et al.. Light transmittance prediction under multiple-light-scattering conditions. 1. Direct Problem: Hybrid-method approximation. Appl. Opt., 2001, 40(9):1514～1524

[3] Briton J P, Maheu B, Gouesbet G et al.. Monte-Carlo simulation of multiple scattering in arbitrary 3-D geometry. Part. Part.-Syst. Charact., 1992, 9:52～58

[4] Kerker M. The Scattering of Light and Other Electromagnetic Radiation. New York: Acadmic Press,1969

[6] Claude Rozé et al.. Average crossing parameter and forward scattering radio values in four-flux model for multiple scattering media. Opt. Commun., 2001, 194:251～263

[7] Wang Y P, Wu Z S, Ren K F. Four-Flux model with adjusted average crossing parameter to solve the scattering transfer equation. Appl. Opt., 1989, 28(1):24～26