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1Proceedings International Symposium on Marine Positioning [electronic resource] : U.S. Geological Survey Reston, VA 22092 October 14–17,1986 / Proceedings International Symposium on Marine Positioning [electronic resource] : U.S. Geological Survey Reston, VA 22092 October 14–17,1986 /Texto bibliotecaCOLPOS
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2Proceedings International Symposium on Marine Positioning [electronic resource] : U.S. Geological Survey Reston, VA 22092 October 14–17,1986 / Proceedings International Symposium on Marine Positioning [electronic resource] : U.S. Geological Survey Reston, VA 22092 October 14–17,1986 /Texto bibliotecaCOLPOS