Authors
Pavlina Marinova
University of Shumen Bishop Konstantin Preslavski, Faculty of Natural Sciences, Department of Biology, Shumen, Bulgaria
Teodora Koynova
University of Shumen Bishop Konstantin Preslavski, Faculty of Natural Sciences, Department of Biology, Shumen, Bulgaria
Radoslav Tsvetkov
University of Shumen Bishop Konstantin Preslavski, Faculty of Natural Sciences, Department of Biology, Shumen, Bulgaria
Nikolay Natchev
University of Shumen Bishop Konstantin Preslavski, Faculty of Natural Sciences, Department of Biology, Shumen, Bulgaria
Vienna University, Department of Integrative Zoology, Vienna, Austria