Erasable ink; something old, something new

References 

1. Flynn WJ. Paper Mate's new erasable ink pen. Journal of Police Science and Administration. 1979;346–349
2. Pfefferli P, Mathyr J. Eraser Mate Un stylo a bille a encre effacable. Revue de Internationale de Criminologie et de Police Technique. 1979;409–419
3. Tiffes D, Buquet A, Ceccaldi PF. Erasable ink ballpoint pens. International Criminal Police Review. March 1980;80
4. Hilton O. The influence of easy correction devices on the security of documents. In: 9th Meeting of the International Association of Forensic Sciences. Bergen, Norway: The International Association of Forensic Sciences; 1981;
5. Buquet A. Erasable ink again. International Criminal Police Review. 1982;362:237
6. Tappolet JA. Etude Comparative de Trois Stylos a Encre Effacable. Technology French Ed. 1983;V36(3):94
7. Tappolet JA. Use of lycode powders for the examination of documents partially written with erasable ballpoint pen inks. In: 10th Meeting of the International Association of Forensic Sciences. Oxford, UK: The International Association of Forensic Sciences; 1984;
8. Throckmorton GJ. Erasable ink; its ease of erasability and its permanence. Journal of Forensic Sciences. 1985;30(2):526
9. Ellen DM, Creer KE. Infrared luminescence in the examination of documents. Journal of the Forensic Science Society. 1970;10:159–164
10. Richards GB. The application of electronic video techniques to infrared and ultraviolet examinations. Journal of Forensic Sciences. 1977;22(1):53–60
11. Richards GB. Dichroic filters: their use in questioned document examinations. In: 58th Annual Conference of the American Society of Questioned Document Examiners. Ottawa, Canada: The American Society of Questioned Document Examiners; 2000;
12. Lee Filters Ltd., Central Way, Walworth Industrial Estate, Andover, Hampshire, SP10 5AN, England. (www.leefilters.com).