Gambar gunung api di halmahera di lihat dari selatan. dari yang terdekat sampai yang terjauh: Ibu, Gamkonora, Todoko-ranu, Jailolo, Gamalama, Tidore. Mei 2000 - Photo copyright dan milik Bruce Gemmell, Universitas Tasmania.
Carlile, J.C., Davey, G.R., Kadir, I., Langmead, R.P., and Rafferty, W.J., 1998, Discovery and exploration of the Gosowong epithermal gold deposit, Halmahera, Indonesia: Journal of Geochemical Exploration, v. 60, p. 207-227.
Kusumadinata, K., 1977, Data on the Dukono volcano; Berita Direktorat Geologi, v. 9, no. 16, p. 183.
McClelland, L., Simkin, T., Summers, M., Nielsen, E., and Stein, T.C., 1989, Global Volcanism 1975-1985: Englewood Cliffs, New Jersey, Prentice Hall, 655 p.
Simkin, T., and Siebert, L., 1994, Volcanoes of the World: Geoscience Press, Tucson, Arizona, 349 p.
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