1. Ancillotto L, Tomassini A, Danilo, Russo (2015) The fancy city life: Kuhl’s pipistrelle, Pipistrellus kuhlii, benefits from urbanisation. Wildl Res 42:598–606. https://doi.org/10.1071/WR15003
2. Benda P, Ivanova T, Horáček I, Hanák V, Červený J, Gaisler J, Gueorguieva A, Petrov B, Vohralík. V (2003) Bats (Mammalia: Chiroptera) of the eastern Mediterranean. Part 3. Review of bat distribution in Bulgaria. Acta Soc Zool Bohem 67:245–357
3. Benda P, Georgiakakis P, Dietz C, Hanák V, Galanaki K, Markantonatou V, Chudárková A, Hulva P, Horáček I (2009) Bats (Mammalia: Chiroptera) of the Eastern Mediterranean and Middle East. Part 7. The bat fauna of Crete. Greece Acta Soc Zool Bohem 72:105–190
4. Benda P, Ševčík M, Bego F, Sachanowicz K, Spitzenberger F, Tájek P, Tájková P, Uhrin M (2019) Bats (Mammalia: Chiroptera) of the Eastern Mediterranean and Middle East. Part 15. The fauna of bats and bat ectoparasites of Albania with a catalogue of bats from the western Balkans in the collection of the National Museum, Prague. Acta Soc Zool Bohem 83:1–238
5. Beron P, Popov A (2004) Biodiversity of Bulgaria. 2. Biodiversity of Eastern Rhodopes (Bulgaria and Greece) Pensoft and National Museum of Natural History. Sofia, Bulgaria