TY - RPRT TI - Mitigation of hazards from future lahars from Mount Merapi in the Krasak River channel near Yogyakarta, central Java AU - John R. Ege AU - Sutikno PY - 1983 DO - 10.3133/ofr83596 UR - https://pubs.usgs.gov/publication/ofr83596 ID - ofr83596 ER -