@ARTICLE{
author={Radojicic Jelena M,Krizmanic Imre I,Kasapidis Panagiotis,Zouros Eleftherios},
year={2015},
title={Extensive mitochondrial heteroplasmy in hybrid water frog (Pelophylax spp.) populations from Southeast Europe},
journal={ECOLOGY AND EVOLUTION},
volume={5},
number={20},
pages={4529-4541},
document_type={Article},
} 

@ARTICLE{
author={Radojicic Jelena M,Cvetkovic Dragana D,Tomovic Ljiljana M,Dzukic Georg V,Kalezic Milos L},
year={2002},
title={Sexual dimorphism in fire-bellied toads Bombina spp. from the central Balkans},
journal={FOLIA ZOOLOGICA},
volume={51},
number={2},
pages={129-140},
document_type={Article},
}