Paired carbonate and organic carbon isotope records from the Ordovician of Estonia: Local, regional or global drivers?Hints, Olle; Lepland, Aivo; Liiv, Merlin; Meidla, Tõnu; Ainsaar, LehoZooming in on the GOBE : 2020 virtual annual meeting of IGCP 653 : International Geoscience Programme Project 653 : The onset of the Great Ordovician Biodiversification Event, September 7-10, 2020 : Abstracts2020 / p. 24 "Programme"