Tazief, Haroun Monitoring and interpretation of activity on Mt : Merapi, Indonesia, 1977-1980 an example of practical, "civil defense", volcanology - Developments in volcanology, 1 . ISBN: 0444422412 Subjects--Topical Terms: VolcanismeQuaternaire1977-1988PréventionVolcanologie Subjects--Index Terms: Indonésie Sumatera Barat