[[1]. Gruber, U., Ablepharus kitaibelii Bibron and Bory, 1883 – Johannisechse, Ed., W. Böhme. Handbuch der Reptilien und Amphibien Europas, Echsen. I. Wiesbaden: Akademische Verlagsgesellschaft, 1981.]Search in Google Scholar
[[2]. Rotter, J., Biologische Beobachtungen an der nördlichen Johannisechse, Ablepharus kitaibelii fitzingeri Mertens, 1952, Zoologische Garten, Leipzig. 1962, 26, 312-318.]Search in Google Scholar
[[3]. Fuhn, I. E., Über die Unterarten von Ablepharus kitaibelii (Bibron & Bory de St. Vincent, 1833) (Sauria, Scincidae). Acta Soc. Zool. Bohemoslovacica. 1970, 34, 9-17.]Search in Google Scholar
[[4]. Garbov, P., The Snake-eyed skink. Nat. and Knowl. 1990, 3, 41-42.]Search in Google Scholar
[[5]. Beshkov, V., Nanev, K., The Amphibians and Reptiles in Bulgaria. Pensoft Series Faunistica 46, 2006.]Search in Google Scholar
[[6]. Stojanov, A., Tzankov, N., Naumov, B., Die Amphibien und Reptilien Bulgariens. Frankfurt am Main: Chimaira, 2011.]Search in Google Scholar
[[7]. Valakos, D., Pafilis, P., Sotiropoulos, K., Lymberakis, P., Maragou, P., Foufopoulos, J., The Amphibians and Reptiles of Greece. Frankfurt am Main: Chimaira, 2008.]Search in Google Scholar
[[8]. StatSoft Inc., STATISTICA (data analysis software system), version 10. www.statsoft.com. 2011.]Search in Google Scholar
[[9]. Ljubisavljević, K., Džukić, G., Kalezić, M.L., Morphological differentiation of the Snake-eyed Skink Ablepharus kitaibelii (Bibron & Bory, 1833), in the north-western part of the species’ range: systematic implications. Herpetozoa. 2002, 14, 107-121.]Search in Google Scholar