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2. Differentiation and identification of writing Inks by chromatographic analysis, presented at the Annual Meeting of American Society of Questioned Document Examiners;Godown,1951
3. Comparison of writing inks by paper chromatography;Somerford;Journal of Criminal Law, Criminology, and Police Science,1952
4. The parameters of ballpen ink examinations;Crown;Journal of Forensic Sciences,1976
5. A systematic approach to ink examination;Brunelle;Journal of the Association of Official Analytical Chemists,1972