TY - RPRT TI - Directed blasts and blast-generated pyroclastic density currents: a comparison of the Bezymianny 1956, Mount St Helens 1980, and Soufrière Hills, Montserrat 1997 eruptions and deposits AU - Alexander Belousov AU - Barry Voight AU - Marina Belousova PY - 2007 DO - 10.1007/s00445-006-0109-y UR - https://pubs.usgs.gov/publication/70170337 ID - 70170337 ER -