Reference

Andrey Ralev, Milos Popovic, Milan Ruzic, Peter Shurulinkov, Girgina Daskalova, Lachezar Spasov, Jelka Crnobrnja-Isailovic (2012): A new record of Testudo graeca ibera Pallas, 1814, in southern Serbia – Herpetozoa – 25_3_4: 151 - 153.