1. The sequence of Precambrian orogenic belts in south and central Africa;Holmes,1951
2. Radiometric dating and the pre-Silurian geology of Africa;Clifford,1968
3. Displacement within continents; introductory remarks;Shackleton,1969
4. Intersecting orogenic belts across the North Atlantic;Wynne-Edwards;Am. J. Sci.,1970
5. Mountain belts and the new global tectonics;Dewey;J. Geophys. Res.,1970