TY - RPRT TI - Generation of pyroclastic flows and surges by hot-rock avalanches from the dome of Mount St. Helens volcano, USA AU - R.A. Mellors AU - R. B. Waitt AU - D. A. Swanson PY - 1988 DO - 10.1007/bf01047505 UR - https://pubs.usgs.gov/publication/70013644 ID - 70013644 ER -