Literature
Authors(s) Stancu, J. and Popescu, A.
Year 1970
Title Biostratigraphical and mineralogical studies of the Tortonian formation from the northwestern slope of the Poiana Rusca massif (South Carpathians) [in Romanian with English summary]. Dari de Seama ale Sedintelor (1968-1969) 56: 165-192, pl. 1.