Reference Library - Absorption/Reflection
Billmeyer, F.W., Jr. | "Universal Color Language Definitions for Some Philatelic Color Aids," The American Philatelist, Vol. 96, No. 6, June 1982, pp. 506-516. |
Caswell, L.R. | "Evaluation of Forensic Methods for Overprint Analysis," The Collectors Club Philatelist, Vol. 91, No. 1, January-February 2012, pp. 35-45. |
Herendeen, D.L, Allen, J.A. and Lera, T. | "Philatelic Shade Discrimination Based on Measured Color," The London Philatelist, Vol. 120, No. 1384, April 2011, pp. 105-117. |
Herendeen, D.L, Allen, J.A. and Lera, T. | "Philatelic Shade Discrimination Based on Measured Color," Published by the Institute for Analytical Philately, November, 2010. |
Kelly, K.L, and Billmeyer, F.W. Jr. | "APS Manual for Determining Color Designations of Stamp Colors," The American Philatelist, Vol. 95, No. 8, August 1981, pp. 709-717, 758. |
Lera, T. | "Colorimetric Analysis of an Enhanced Cancel on a Mauritius 1d Stamp," Fakes Forgeries Experts, No. 14, April 2011, pp.103-104. |
Liston, E.M. | "Scientific Examination of a New Venezuelan 'Color Error'," The Collectors Club Philatelist, Vol. 91, No. 3, May-June 2012, pp. 163-167. |
Tyler, V.E. and Peck, G.E. | "Characterization of Genuine Stamps, Reprints, and Forgeries of the 1867 and 1868 Issues of the Roman States by Diffuse Reflectance Spectroscopy," American Philatelist, Vol. 92, No. 6, pp. 580-587. |
White, R.H. (ed.) | Scientific Analysis of El Salvador (1867) First Issue, Its Spiro Forgeries, and the 1c Colour Error," Academus 21, 2017, pp. 91-97. |
Gallegos, F.,and LERA, T. | Color in Philately, The Philatelic Foundation, New York, 1979. |