1. Detailed structure of the Nankai Trough, from migrated seismic sections;Aoki,1983
2. Tectonic Map of Northern Sumatra (1:500,000), British Geological Survey;Aspden,1982
3. The Geology of the Padangsidempuan and Sibolga Quadrangles, Sumatra (1:250,000);Aspden,1982
4. Reconstruction of eastern Gondwanaland;Audley-Charles;Nature, Lond.,1983
5. Mesozoic-Cenozoic rift-drift sequence of Asian fragments from Gondwanaland;Audley-Charles;Tectonophysics,1988