1.
Aladžova-Hriščeva K, Pavšič J. Nummulites and calcareous nannofossils from Lower Eocene beds in the area of Veliko Târnovo (North Bulgaria). geologija [Internet]. 1988 Jun. 30 [cited 2026 Oct. 27];31(1):209-17. Available from: https://www.geologija-revija.si/index.php/geologija/article/view/609