Gilmour, I. al., et Supplemental material: The early Danian hyperthermal event at Boltysh (Ukraine): Relation to Cretaceous-Paleogene boundary events GSA Data Repository Item 2014280, GSA Special Paper 505. File size: about 29 KB. Geoscience 2014-01-01
    https://gsapubs.figshare.com/articles/book/Supplemental_material_The_early_Danian_hyperthermal_event_at_Boltysh_Ukraine_Relation_to_Cretaceous-Paleogene_boundary_events/12531455
10.1130/2014280