TY - JOUR A1 - Shahin, A. T1 - Cenomanian—Turonian ostracods from Gebel Nezzazat, southwestern Sinai, Egypt, with observations on ∂13C values and the Cenomanian/Turonian boundary JO - J. Micropalaeontol. J1 - JM VL - 10 IS - 2 SP - 133 EP - 150 Y1 - 1991/12/01 PB - GSL Publishing SN - 2041-4978 UR - https://jm.copernicus.org/articles/10/133/1991/ L1 - https://jm.copernicus.org/articles/10/133/1991/jm-10-133-1991.pdf DO - 10.1144/jm.10.2.133 ER -