005010000a220015700045001000020000007000022000202450141000426500024001836500014002076500019002216500009002406510018002496510011002670410013002787730052002911 aVilenkin, B. Ya1 aChikatunov, V. I.10aCo-occurrence of species with various geographical ranges, and correlation between area size and number of species in geographical scale14aRiqueza de especies14aEndemismo14aBiogeografía14aAves 4mSinaipEgipto 4pIsrael0 aInglés1 tJournal of Biogeography3248h25q275-284d1998