S. Sućeska and J. Karačić, “BALKAN GOLDENRING, CORDULEGASTER HEROS THEISCHINGER, 1979 (ODONATA: CORDULEGASTRIDAE), A NEW SPECIES OF ODONATA IN THE FAUNA OF BOSNIA AND HERZEGOVINA”, AES, vol. 16, no. 1/2, pp. 1-7, Dec. 2011.