Paleoecological development of the Neogene Sofia Basin (southwester Bulgaria) based on sedimentological and paleontological evidence

by Ognjanova-Rumenova, Nadja, Yaneva, Marlena, Botev, Ivan
Source: 1. Geologica carpathica 1. Roč. 59, č. 1 (2008), s. 59-70 1. 1335-0552