Davydov, Vladimir, Krainer, Karl, Chernykh, Valery. Fusulinid biostratigraphy of the Lower Permian Zweikofel Formation (Rattendorf Group; Carnic Alps, Austria) and Lower Permian Tethyan chronostratigraphy
.
GEOLOGICAL JOURNAL, 48(1), 57-100. 10.1002/gj.2433
Davydov, Vladimir, Krainer, Karl, Chernykh, Valery. Fusulinid biostratigraphy of the Lower Permian Zweikofel Formation (Rattendorf Group; Carnic Alps, Austria) and Lower Permian Tethyan chronostratigraphy
. GEOLOGICAL JOURNAL, 48(1), 57-100. 10.1002/gj.2433