@misc{indiciaeacd2efd4bfe6, title = {Eruption prediction aided by electronic tiltmeter data at Mount St. Helens}, author = {D. Dzurisin and J.A. Westphal and Daniel J. Johnson}, year = {1983}, doi = {10.1126/science.221.4618.1381}, url = {https://pubs.usgs.gov/publication/70012114}, note = {Source identifier: 70012114} }