1. Arbitration Agreement between Government the Republic of Croatia and the Government Republic of Slovenia. The Permanent Court of Arbitration, The Hague, 4 Nov 2009.
https://pcacases.com/web/sendAttach/2165
. Accessed 20 Feb 2018
2. Bognar A (2001) Utjecaj prirodno-geografske osnove na razvoj hrvatsko-slovenske granice (Influence of the natural-geographic basis on development of the Croatian-Slovene boundary line). Dela 16:61–72
3. Boundary Classification Systems.
http://eurekaencyclopedia.com/index.php/Category:Boundary_Classification_Systems
. Accessed 20 Feb 2018
4. Breg Valjavec M, Ribeiro D (2014) Uporabnost zgodovinskih aeroposnetkov pri preučevanju pokrajinskih sprememb na ozemlju Slovenije (Applicability of historical aerial photographs in landscape change studies in Slovenia). In: Ciglič R, Perko D, Zorn M (eds) Digitalni prostor, GIS v Slovenji 12. Založba ZRC, Ljubljana, pp 71–84
5. Brunet-Jailly E (2010) The state of borders and borderlands studies 2009: a historical view and a view from the Journal of Borderlands Studies. Eurasia Border Rev 1(1):1–15