↑ Rees, Henry (1974). Italy, Switzerland and Austria. A Geographical Study. Harrap, London, ISBN 0-245-51993-9.
↑ Plašienka, D., Grecula, P., Putiš, M., Kováč, M. a Hovorka, D., 1997: Evolution and structure of the Western Carpathians: an overview. Mineralia Slovaca - Monograph, Košice, s. 1 – 24