TY - RPRT TI - Eruption prediction aided by electronic tiltmeter data at Mount St. Helens AU - D. Dzurisin AU - J.A. Westphal AU - Daniel J. Johnson PY - 1983 DO - 10.1126/science.221.4618.1381 UR - https://pubs.usgs.gov/publication/70012114 ID - 70012114 ER -