TY - RPRT TI - Seismic precursors to the Mount St. Helens eruptions in 1981 and 1982 AU - S. D. Malone AU - C. Boyko AU - C.S. Weaver PY - 1983 DO - 10.1126/science.221.4618.1376 UR - https://pubs.usgs.gov/publication/70012130 ID - 70012130 ER -