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1Published 1972Subjects “...Electronics in navigation Congresses....”
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2Published 1983Subjects “...Artificial satellites in navigation Congresses....”
Conference Proceeding Book -
3Published 1978Subjects “...Artificial satellites in navigation Congresses....”
Conference Proceeding Book -
4Published 1978SubjectsBook
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5Published 2011SubjectsConference Proceeding Book