1. Palaeomagnetism of Devonian ring complexes from the Bayuda Desert. Sudan-new constraints on the apparent polar wander path for Gondwanaland;Bachtadse;Geophys. J. Int.,1991
2. Miospores from Late Devonian (early Frasnian) strata, Carnarvon Basin, Western Australia;Balme;Palaeontographica. Abt. B. Bd.,1988
3. Pre-Carboniferous paleomagnetism of Europe north of the Alpine orogenic belt
4. An Early Carboniferous paleomagnetic pole for Gondwanaland: new results from the Mount Eclipse Sandstone in the Ngalia Basin, central Australia;Chen;J. Geophys. Res.,1993
5. International Union of Geological Science 1989 Global Stratigraphic Chart;Cowie;Episodes, (Supplement),1989