Anan, H.S. 1994. Benthic foraminifera around Middle/Upper Eocene boundary in Egypt. Middle East Research Center, Ain Shams University, Earth Science Series, 8, 210-233.
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Anan, H.S. 1994. Benthic foraminifera around Middle/Upper Eocene boundary in Egypt. Middle East Research Center, Ain Shams University, Earth Science Series, 8, 210-233