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Lukovic, M. T. ???????? ????? ???????? ?? ??????? ?????? ?????????? ? ??????????? ????? ? ????.?????? [Eocene molluscan fauna of the Aral Sea and Lake Tschalkar region]. Spomenik Srpske Kraljevske Akademije [Proceedings of the Serbian Royal Academy], Prvi Razred 63, 1-74 (1924).