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      "const": "Translated from Russian. Original: Olga Onda, Ludmilla Kutina, Viktor Štompel, Aleksander Raida, Liidia Beregovaja, Hilja Taal, Oskar Kirret, “Исследование термических свойств волокон из пеконаполненных полимерных композиций, содержащих металлы”, Proceedings of the Estonian Academy of Sciences. Chemistry, 1990, vol. 39 no. 3, pp. 167–170, https://doi.org/10.3176/chem.1990.3.07. Published by Estonian Academy Publishers; license CC BY 4.0 (http://creativecommons.org/licenses/by/4.0/) as deposited with Crossref by the publisher (the publisher's policy page names CC BY-NC 4.0). Changes: translated into English.",
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      "description": "The complete translation in Markdown with LaTeX math, a marker <!-- source-page: 001 -->, <!-- source-page: 002 -->, … for every page of the scan."
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