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1by El-Beialy, S. Y., Shahin, A. M.Get access
Published in Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen (1990)
Article in Journal/Newspaper -
2by El Beialy, Salah Y., Ayyad, Salah N., Kholeif, Suzan E.Get access
Published in Newsletters on Stratigraphy (1990)
Article in Journal/Newspaper