[2]Архивирано 19 новембар 2016 на сајту Wayback Machine The Carpathian Project: Carpathian Mountains in Serbia, Institute for Spatial Planning, Faculty of Geography, University of Belgrade (2008), Retrieved: 15 November 2016
[3]Архивирано 1 август 2019 на сајту Wayback Machine Bulletin of the Natural History Museum, pg. 54, Valuing the geological heritage of Serbia (UDC: 502.171:55(497.11), Aleksandra Maran (2010), Retrieved 15 November 2016
[1]Архивирано 12 октобар 2017 на сајту Wayback Machine "The Carpathians" European Travel Commission, in The Official Travel Portal of Europe, Retrieved 15 November 2016
web.archive.org
[1]Архивирано 12 октобар 2017 на сајту Wayback Machine "The Carpathians" European Travel Commission, in The Official Travel Portal of Europe, Retrieved 15 November 2016
[2]Архивирано 19 новембар 2016 на сајту Wayback Machine The Carpathian Project: Carpathian Mountains in Serbia, Institute for Spatial Planning, Faculty of Geography, University of Belgrade (2008), Retrieved: 15 November 2016
[3]Архивирано 1 август 2019 на сајту Wayback Machine Bulletin of the Natural History Museum, pg. 54, Valuing the geological heritage of Serbia (UDC: 502.171:55(497.11), Aleksandra Maran (2010), Retrieved 15 November 2016