Allaberganov А. А., and Kataev М. Ю. 2021. “Spectrophotometry As a Method for Determining the Age of Applying Letter (Document) Details by the Relative Content in Volatile Solvent Strokes”. Intellekt. Sist. Proizv. 19 (1):10-26. https://doi.org/10.22213/2410-9304-2021-1-10-26.