TY  - RPRT
TI  - Large-scale magnetic field perturbation arising from the 18 May 1980 eruption from Mount St. Helens, Washington
AU  - R.J. Mueller
AU  - M.J.S. Johnston
PY  - 1989
DO  - 10.1016/0031-9201(89)90209-4
UR  - https://pubs.usgs.gov/publication/70015443
ID  - 70015443
ER  -