El-Naggar, Z. R. (1971). On the classification, evolution and stratigraphical distribution of the Globigerinacea, in A. Farinacci, ed., Proceedings Il Planktonic Conference, vol. 1. Rome: Edizioni Tecnoscienza. 421-476.
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El-Naggar, Z. R.
1971
On the classification, evolution and stratigraphical distribution of the Globigerinacea, in A. Farinacci, ed., Proceedings Il Planktonic Conference, vol. 1