1. American Triassic estherids;Bock;J. Paleontol.,1953
2. Howellisaura, new name for Howellites BOCK;Bock;J. Paleontol.,1953
3. Palaeomagnetic correlation of the Upper Triassic of Somerset, England, with continental Europe and eastern North America;Briden;J. Geol. Soc. Lond.,1999
4. Late Triassic conodont stratigraphy;Budurov;Cour. Forsch.-Inst. Senckenberg,1990
5. Bystrický, J., 1964. Slovenský kras. Dionyz Stúr Geological Institute, Bratislava, 304 pp.