[1] T. Allen. Particle Size Measurement. 3rd Ed., Chapman & Hall. 1981

[2] H. D. Barth, R. B. Flippen. Particle size analysis. Analytical Chemistry, 1995, 67(12): 257～272

[3] H. D. Barth, ed. Modern Method of Particle Size Analysis. New York: John Wiley & Sons, 1984. 142～145

[4] H. C. Van de Hulst. Light Scattering by Small Particles. New York: John Wiley & Sons, 1957. 135～147