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MONITORING
NORWAY
8
USSR
ARCTIC REGIONS
6
FINLAND
6
Nuclear Weapons
5
Seismic Detection and Detectors
5
Seismology
5
*SEISMIC ARRAYS
4
SEISMOLOGICAL STATIONS
4
*NUCLEAR EXPLOSION DETECTION
3
*SEISMIC DATA
3
*SEISMIC DETECTION
3
PE62714E
3
SEISMIC ARRAYS
3
SEISMIC DETECTION
3
SEISMIC WAVES
3
UNDERGROUND EXPLOSIONS
3
WUPL9A10DABH
3
*EARTHQUAKES
2
ARCESS SEISMIC ARRAY
2
ARCESS(ARCTIC EXPERIMENTAL SMALL SUBARRAY)
2
ARCESS(ARCTIC REGIONAL SEISMIC ARRAY)
2
BARENTS SEA
2
DATA ACQUISITION
2
EXPLOSION EFFECTS
2
EXPLOSIONS
2
FOREIGN REPORTS
2
GERMANY
2
MINING ENGINEERING
2
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