• Nitrogen and organic carbon isotope record in Tremadocian highly metalliferous black shales from BalticaNdiaye, Mawo; Liiv, Merlin; Kallaste, Toivo; Graul, Sophie Jane Marie-Pascale Huguette; Hints, RuttEstonian journal of earth sciences2023 / p. 78-81 : ill https://doi.org/10.3176/earth.2023.25 https://www.scopus.com/sourceid/6000195392 https://www.scopus.com/record/display.uri?eid=2-s2.0-85163757845&origin=inward&txGid=2d0a9446528601920899ba9d5653e605 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=EST%20J%20EARTH%20SCI&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:001015399200005