Bedek et al (2012) Abstract of Subterranean community from Lukina jama – Trojama cave system, the deepest cave in Dinaric Karst (Northern Velebit Mt., Croatia) geraadpleegd via http://bib.irb.hr/prikazi-rad?lang=en&rad=602147
Faivre, S. (2007) Analyses of the Velebit Mountain Ridge Crests. Hrvatski Geografski Glasnik 69/2, 21 - 40. Geraadpleegd via http://hrcak.srce.hr/file/51753