1. Falynologie du Permien inférieur de Sariz (Kayseri) et de Pamucak (Antalya-Turquie) et contamination jurassique observée, due aux ruisseaux ‘Pamacuk’ et ‘Goynuk’;Akyol;Pollen et Spores,1975
2. The biostratigraphy of the Permian and Triassic. A review of Gondwana Permian palynology with particular reference to the Northern Karoo Basin South Africa;Anderson;Memoirs of the Botanical Survey of South Africa,1977
3. The biostratigraphy of the Permian and Triassic. A preliminary review of the biostratigraphy of the uppermost Permian, Triassic and lowermost Jurassic of Gondwanaland;Anderson;Palaeontologia Africana,1970
4. Palynologic studies in the Transantarctic Mountains;Askin;Antarctic Journal of the United States,1978
5. Mesozoic palaeogeography and early angiosperm history;Axelrod;Botanical Review,1970