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3. A new hyaenid (Carnivora, Mammalia) in the Vallesian (late Miocene) of N. Greece;Bonis;Sc. Ann. Fac. Phys. Math., Univ. Thessaloniki,1981
4. Late Miocene mammal localities of the lower Axios valley (Macedonia, Greece) and their stratigraphic significance;Bonis;Modern Geology,1988
5. Contribution à l’étude des Hyaenidae. La sous-famille des Ictitheriinae;Crusafont Pairo;Ann. Paléont.,1969