1. Blue green algal cell degradation and its implication for the fossil record;Awramik S. M.;Geol. Soc. Amer., Abstracts with Programs,1972
2. Classification and Phylogeny
3. The prasinophycean genera (Chlorophyta) possibly related to fossil genera, in particular the genus Tasmanites, In A;Boalch G. T.;Farinacci, Proc. II Planktonic Conference,1971
4. Geochemistry of sporopollenin
5. Sur un présumé dinoflagellé, Arpylorus nov. gen. du Gothlandien de Tunisie;Calandra François;C. R. Acad. Sci. Paris,1964