Results 251 to 260 of about 10,847 (264)

The Northern Sea Route, 1978

Polar Record, 1979
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The Northern Sea Route, 1965

Polar Record, 1966
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The Northern Sea Route, 1981

Polar Record, 1982
openaire   +1 more source

The Northern Sea Route, 1990

Polar Record, 1991
openaire   +1 more source

International Northern Sea Route Programme

Ocean Yearbook Online, 1994
openaire   +1 more source

The Northern Sea Route, 1983

Polar Record, 1984
openaire   +1 more source

The northern sea route, 1984

Polar Record, 1985
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The Northern Sea Route, 1961

Polar Record, 1962
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The Northern Sea Route, 1976

Polar Record, 1977
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The Northern Sea Route, 1960

Polar Record, 1961
openaire   +1 more source