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2. The classification of cross-stratified units, with notes on their origin;Allen;Sedimentology,1963
3. Studies in fluviatile sedimentation: a comparison of fining-upward cyclothems, with special reference to coarse-member composition and interpretation;Allen;J. Sediment. Petrol.,1970
4. Diferenciação tectônica da plataforma brasileira;Almeida,1969
5. Les microflores des séries paléozoïques du Ghana (Afrique occidentale) et leurs relations paléofloristiques;Bär;Sci. Géol., Bull.,1974