Xirouchakis, S., Sakoulis, A., & Papazoglou, C. (?????.).  (1999).  DISTRIBUTION AND STATUS OF THE BEARDED VULTURE (Gypaetus barbatus) IN GREECE. ??? EURECO '99 - The European Dimension in Ecology - Perspectives & Challenges for the 21st Century. ????????????? ??? September 18-23, Halkidiki, Greece.: European Ecological Federation.