Cottam, M. A.; Hall, R.; Forster, M. A.; Boudagher-Fadel, M. K. (27 June 2011). "Basement character and basin formation in Gorontalo Bay, Sulawesi, Indonesia: new observations from the Togian Islands". Geological Society, London, Special Publications. 355 (1): 177–202. Bibcode:2011GSLSP.355..177C. doi:10.1144/SP355.9.
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Cottam, M. A.; Hall, R.; Forster, M. A.; Boudagher-Fadel, M. K. (27 June 2011). "Basement character and basin formation in Gorontalo Bay, Sulawesi, Indonesia: new observations from the Togian Islands". Geological Society, London, Special Publications. 355 (1): 177–202. Bibcode:2011GSLSP.355..177C. doi:10.1144/SP355.9.
