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Proceedings of the Symposium on 100 Years Development of Krakatau and its Surroundings, Vol 1 Natural Science.. (). Jakarta, Indonesia: Lembaga Ilmu Pengetahuan Indonesia.

Gaya MLA

Proceedings of the Symposium on 100 Years Development of Krakatau and its Surroundings, Vol 1 Natural Science.. . Jakarta, Indonesia: Lembaga Ilmu Pengetahuan Indonesia, . .