TY  - RPRT
TI  - A prototype global volcano surveillance system monitoring seismic activity and tilt
AU  - E.T. Endo
AU  - P.L. Ward
AU  - D.H. Harlow
AU  - R. V. Allen
AU  - J. P. Eaton
PY  - 1974
DO  - 10.1007/bf02599410
UR  - https://pubs.usgs.gov/publication/70209225
ID  - 70209225
ER  -