Chobanov DPetrov, Grzywacz B, Iorgu I?tefan, ym. Review of the Balkan Isophya (Orthoptera: Phaneropteridae) with particular emphasis on the Isophya modesta group and remarks on the systematics of the genus based on morphological and acoustic data.  2013. Available at: http://biotaxa.org/Zootaxa/issue/view/zootaxa.3658.1.