Reference Library - X-Ray Flourescence
Adema, Kees "Holland's Track-Boat Markings: A Philatelic Conundrum Solved", The Collectors Club Philatelist, Vol. 87, No. 5, September-October 2008, pp. 291-302.

Glazer, M. The King George V High-Value Stamps of Bermuda, 1917-1938, Myles Glazer, Marblehead, MA, 1994. Chapter 4.

Hahn, J.D. "Originals and Reprints of Seebeck Issues: A Scientific Method of Classification", The Seebecker, 4(1), June 1992.

Lera, T. "In the National Postal Museum, Research: Scientific Equipment at the NPM", The Collectors Club Philatelist, Vol. 91, No. 3, May-June 2012, pp. 174-178.

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.

Liston, E.M. "A Scientific Investigation of the 'Pink' Problem United States 1861-1868 3c Scott Numbers 64 and 65", The Collectors Club Philatelist, Vol. 90, No. 2, March-April 2011, pp. 83-91.

Najjar, A.H. "Great Britiain: The 1858-1879 1d Rose-Red Plate 77", The Collectors Club Philatelist, Vol. 88, No. 2, September-October 2008, pp. 269-284.

Odenweller, R.P. "New Zealand: Inks Used for the Early Chalon Heads", The Collectors Club Philatelist, Vol. 88, No. 4, July-August 2009, pp. 246-250.

White, R.H. "Application of Electron Microscope and X-Ray Analyses to Identification Techniques for Stamps and Proof Papers", The United States Specialist, Parts I, II and III, Vol. 60, Nos. 4, 6 and 8. pp. 187-191, 299-305, 419-427.