1. Biostratigraphy of some Callovian and Oxfordian cores off Vega, Helgeland, Norway;Århus;Nor. Geol. Tidsskr.,1989
2. Taxonomic note: Lejeunecysta nom. nov. pro Lejeunia Gerlach 1961 emend. Lentin and Williams 1976 - dinoflagellate cyst genus;Artzner;Can. J. Bot.,1978
3. Los dinoflagelados del Atlantico sudoccidental;Balech,1988
4. Observations on some Upper Jurassic–Lower Cretaceous dinoflagellate assemblages from Pakistan and Tanzania;Beju;Palynology,1979
5. New dinocyst taxa from the Upper Jurassic of Pakistan;Beju;Palynology,1980