Foraminifera source request

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Leven, E. Ya., 2009, Верхний карбон (пенсильваний) и пермь Западного Тетиса: фузулиниды, стратиграфия, биогеография - Upper Carboniferous (Pennsylvanian) and Permian of West Tethys: fusulinids, stratigraphy, biogeography . Rossiyskaya Akad. Nauk, Trudy Geol. lnst., 590, 1-238. (in Russian).