A demineralized osteostracan fossil from the Silurian Kalana Lagerstätte of Estonia : revealing its internal anatomy and uncovering a unique type of fossilizationTinn, Oive; Lang, Liisa; Märss, Tiiu; Vahur, Signe; Kirsimäe, KalleLethaia2022 / 13 p. : ill https://doi.org/10.1111/let.12452 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Influence of the end-temperature on the oil shale fast pyrolysis process and its productsMaaten, Birgit; Siirde, Andres; Vahur, Signe; Kirsimäe, KalleJournal of thermal analysis and calorimetry2022 / p. 1647-1655 : ill https://doi.org/10.1007/s10973-022-11567-2