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Abbreviated proceedings [of the] International Symposium on Problems Related to the Redefinition of North American Geodetic Networks : held at the University of New Brunswick, Fredericton, New Brunswick, Canada, May 20 to 25, 1974 / [edited by] Petr Vanicek ; sponsored by: International Association of Geodesy, National Research Council of Canada, Canadian International Development Agency, Dept. of Energy, Mines and Resources, The Canadian Institute of Surveying, The University of New Brunswick |
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