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Paired organic and carbonate carbon isotope records through the Middle and Upper Ordovician of EstoniaHints, Olle; Kaljo, Dimitri; Lepland, Aivo; Liiv, Merlin; Martma, Tõnu; Ainsaar, Leho13th International Symposium on the Ordovician System : Novosibirsk, Russia (July 19-22, 2019) : contributions2019 / p. 75-77 http://www.igcp653.org/wp-content/uploads/2019/07/ISOS13Proceedings.pdf

Palynomorph optical analyses for thermal maturity assessment of upper ordovician (Katian-Hirnantian) rocks from Southern EstoniaSorci, Andrea; Cirilli, Simonetta; Clayton, Geoff; Corrado, Sveva; Hints, Olle; Goodhue, Robbie; Schito, Andrea; Spina, AmaliaMarine and Petroleum Geology2020 / art. 104574 https://doi.org/10.1016/j.marpetgeo.2020.104574 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

A two-step model for assessing the potential of shale-derived chemicals by oxidation of kukersiteMets, Birgit; Lopp, Margus; Uustalu, Jaan Mihkel; Muldma, Kati; Niidu, Allan; Kaldas, KristiinaOil shale2023 / p. 344-362 https://doi.org/10.3176/oil.2023.4.04