Joint 3-D tomographic imaging of Vp, Vs and Vp/Vs and hypocenter relocation at Sinabung volcano, Indonesia from November to December 2013 - Nugraha, Andri; Indrastuti, Novianti; Kusnandar, Ridwan; Gunawan, Hendra; McCausland, Wendy; Aulia, Atin; Harlianti, Ulvienin (Journal of Volcanology and Geothermal Research, 2019)