New stratigraphic refinements of the Cretaceous stratigraphy of the Eastern Albania (Mirdita and Krasta Zone) through the calcareous nannofossils

by Kraja, Saimir, Kici, Vangjel
Source: 1. Mineralia Slovaca 1. 0369-2086 1. Roč. 29, č. 4-5(1997), s. 277