Shumnyk Anatoliy Vasilyovich. Upper Cretaceous calcareous nannoplankton of Southern Ukraine. : к.геол.н. : spec.. 04.00.09 - Палеонтологія і стратиграфія : presented. 2002-05-22; popup.evolution: .; Institute of Geological Sciences Nathional Academy of Sciences of Ukraine. – , 0402U001770.

Updated: 2026-10-09