1. A brief review of the flora of the Molteno “Formation” (Triassic), South Africa;Anderson;Palaeontol. Afr.,1974
2. Die Pteridophyten aus dem Oberan Jura des Manamana in Südwest-Madagascar;Appert;Schweiz. Pälaontol. Abh.,1973
3. Ecology of Brontosaurus;Bakker;Nature,1971
4. Dinosaur feeding behaviour and the origin of flowering plants;Bakker;Nature,1978
5. Mesozoic floras;Barnard,1973