Alexiou, B., Manios, N., Chatzinikos, E., & Papageorgiou, N. (?????.).  (2001).  ELEMENTS OF ECOLOGY OF THE GREY PARTRIDGE AT GRAMMOS MOUNTAIN IN GREECE. ??? XXVth International Congress of the International Union of Game Biologists I.U.G.B and IXth International Symposium Perdix . ????????????? ??? September 3-7, Lemesos-Cyprus: I.U.G.B & Perdix.