This definition appears very rarely
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Samples in periodicals archive:
Nansen and Amundsen Basins Observational System - NABOS IARC; UAF; Home; NABOS-II. Proposed Monitoring System of the Arctic Ocean.
The Amundsen Basin, with depths; researcher Roald Amundsen. Together with the Nansen Basin; Nansen and Amundsen Basin Observational System...
Nansen and Amundsen Basin Observational System Map of Expedition Click to learn more about what this map means!