C.-P. Sherman Hsu, Ph.D. "Handbook of Instrumental Techniques for Analytical Chemistry" Prentice-Hall, New Jersey, 1997, 262.
Fuller, Michael P.; Griffiths, Peter R. (1978). "Diffuse reflectance measurements by infrared Fourier transform spectrometry". Analytical Chemistry. 50 (13): 1906–1910. doi:10.1021/ac50035a045. ISSN 0003-2700. /wiki/Doi_(identifier)
Kortüm, Gustav (1969). Reflectance spectroscopy Principles, methods, applications. Berlin: Springer. ISBN 9783642880711. OCLC 714802320. 9783642880711