1. “Subaqeous shrinkage cracks” in the Devonian of Scotland reinterpreted;Astin;J. Sediment. Petrol.,1991
2. “Subaqeous shrinkage cracks” in the Devonian of Scotland Reinterpreted, Reply to Discussion;Astin;J. Sediment. Petrol.,1992
3. Paleoecology of cyclic sediments of the lower Green River Formation, central Utah;Baer;Brigham Young Univ. Geol. Stud.,1969
4. The Inland Waters of Tropical Africa;Beadle,1974
5. Krokodile als Klimazeugen;Berg;Geol. Rundsch.,1964