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Geodetic Trisection, Altitude, and Ice-radar Surveying Techniques Used at Knik Glacier, Alaska, and Summary of 1979, 1980, and 1981 Data

L. R. MayoD. C. Trabant

出版	U.S. Geological Survey, 1982
URL	http://books.google.com.hk/books?id=NQTHSgAACAAJ&hl=&source=gbs_api