Papaevangelou, E., & Kyriakopoulou-Sklavounou, P. (?????.).  (2007).  COMPARATIVE MORPHOLOGICAL AND HISTOLOGICAL STUDY OF NUPTIAL PADS OF THE WATERFROGS Rana epeirotica AND Rana ridibunda WITH SCANNING ELECTRON MICROSCOPE AND OPTICAL MICROSCOPE. ??? ???????? ???????? ?????????? ????????? - 29° ?????? ????????. ????????????? ??? 17? ? 19? ?????, ??????: ???????? ???????? ?????????? ????????? .

Bisa, R., Sfenthourakis, S., Fraguedakis-Tsolis, S., & Chondropoulos, B. (?????.).  (2006).  Diet of the Anuran Species Living in Riparian Ecosystems of Northern Pindos (Greece). ??? 10th International Congress on the Zoogeography and Ecology of Greece and Adjacent Regions. ????????????? ??? 26-30 June, Patra: Hellenic Zoological Society, Hellenic Ornithological Society, Hellenic Ministry of Rural Development, Section of Animal Biology (Dept. Of Biology, Univ. of Patras).

Bisa, R., Sfenthourakis, S., Fraguedakis-Tsolis, S., & Chondropoulos, B. P. (?????.).  (2006).  The Abundance of Amphibian Species at Freshwater Bodies of Northern Pindos. ??? 10th International Congress on the Zoogeography and Ecology of Greece and Adjacent Regions. ????????????? ??? 26-30 June, Patra: Hellenic Zoological Society, Hellenic Ornithological Society, Hellenic Ministry of Rural Development, Section of Animal Biology (Dept. Of Biology, Univ. of Patras).

Tsiora, A., & Kyriakopoulou-Skavounou, P. (?????.).  (2001).  Male Reproductive Cycle of the Water Frog Rana epeirotica in Lake of Ioannina. ??? Hellenic Society for Biological Sciences - 23rd Panhellenic Conference. ????????????? ??? May 24-27, Chios, Greece: Hellenic Society for Biological Sciences.

Kyriakopoulou-Sklavounou, P., & Vasara, E. (?????.).  (2001).  Morphometric data on triploid water frogs of the system Rana epeirotica and Rana balcanica in Greece. ??? Herpetologia Candiana. ????????????? ??? June, Irakleio: Societas Europaea Herpetologiaca - Natural History Museum Of Crete - University Of Crete.