Mie scattering is based on the following references:
Bohren, C.F., and D.R. Huffman, Absorption and scattering of light by small particles, John Wiley and Sons, New York, 1983.
Mätzler, C., MATLAB Functions for Mie Scattering and Absorption, Institut für Angewandte Physik, Research Report No. 2002-08, Bern, Switzerland, 2002.