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REFLECTION)
(*AURORAE
1
(*ECHO RANGING
1
(*MARINE GEOLOGY
1
(*RADAR CROSS SECTIONS
1
ANTENNAS
1
ARCTIC OCEAN
1
AZIMUTH
1
Active & Passive Radar Detection & Equipment
1
Atmospheric Physics
1
BALTIC SEA
1
BARENTS SEA
1
BLACK SEA
1
CASPIAN SEA
1
DEPOSITS
1
DIURNAL VARIATIONS
1
Geochemistry and Mineralogy
1
Geology
1
HYDROGRAPHIC SURVEYING
1
IONIZATION
1
KARA SEA
1
OCEAN BOTTOM TOPOGRAPHY)
1
PIEZOELECTRIC GAGES
1
Physical and Dynamic Oceanography
1
RADIO WAVES
1
SEISMOMETERS
1
SENSITIVITY
1
SWEDEN
1
THEORY
1
TNT
1
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