Coba jelasin Pautan luar dari Krakatau dalam bahasa melayu dong

1883 Eruption of Krakatau from the United States Geological Survey's Cascades Volcano Observatory

Krakatau, Indonesia (1883) – information from San Diego State University about the 1883 eruption

P., A. Normier, C. Bacri, P. Allard P., H. Gunawan, M. Hendrasto, Surono, V. Tsanev (2015) First measurement of the volcanic gas output from Anak Krakatau, Indonesia. J. Volcan. Geotherm. Res. 302, 237–241