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2. Palynology and nannofossil processing techniques;Barss;Geol. Surv. Can., Pap.,1973
3. The natural history of the Hardangerfjord 10. The phytoplankton in 1955–1956. The quantitative phytoplankton cycle in the fjord waters and in the offshore coastal waters;Braarud;Sarsia,1974
4. Plant microfossils and geology: an introduction;Cross;Soc. Econ. Paleontol. Mineral., Spec. Publ.,1964
5. Palynology and palaeo-environmental studies, with special reference to the continental shelf sediments of South Africa;Davey,1971