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Antarctic regions
Scientific cooperation
6
International Geophysical Year
5
Scientific expeditions
5
Climatology
2
Environmental conservation
2
Glaciology
2
International instruments
2
Interviews
2
Living conditions
2
Measuring instruments
2
Meteorology
2
Research
2
Scientists
2
Air pollution
1
Animal behaviour
1
Animal ecology
1
Antarctic Ocean
1
Antarctic Treaty
1
Biological research
1
Birds
1
Climate change
1
Di Castri
1
Ecology
1
Ecosystems
1
Environmental monitoring
1
Environmentalists
1
Francesco
1
Geomagnetism
1
Geophysics
1
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