Mertzanis, G., Aravidis, I., Psaroudas, S., & Tragos, A. (?????.).  (2006).  Overview and Update of Brown Bear (Ursus arctos L.) Distribution status in Greece: Signs of Range Expansion in Central and Southern Pindos Mountains - Re-Occurrence on Olympos Mt.. ??? 10th International Congress on the Zoogeography and Ecology of Greece and Adjacent Regions. ????????????? ??? 26-30 June, Patras: Hellenic Zoological Society, Hellenic Ornithological Society, Hellenic Ministry of Rural Development, Section of Animal Biology (Dept. Of Biology, Univ. of Patras).