Knight, C. L. (1976). Economic geology of Australia and Papua New Guinea: 4. industrial minerals and rocks. Australasian Institute of Mining and Metallurgy.
Tohutoru Kātū ChicagoKnight, C. L. Economic Geology of Australia and Papua New Guinea: 4. Industrial Minerals and Rocks. Parkville, Vic.: Australasian Institute of Mining and Metallurgy, 1976.
Tohutoro MLAKnight, C. L. Economic Geology of Australia and Papua New Guinea: 4. Industrial Minerals and Rocks. Australasian Institute of Mining and Metallurgy, 1976.
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