A multiproxy study of the Puhmu core section (Estonia, Upper Ordovician) : consequences for stratigraphy and environmental interpretationKaljo, Dimitri; Hints, Linda; Martma, Tõnu; Nõlvak, JaakEstonian journal of earth sciences2017 / p. 77-92 : ill https://doi.org/10.3176/earth.2017.08 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS