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Magnetic Observatory Results at College, Near Fairbanks, Alaska, for the Second Polar Year, October 1932 to March 1934
H. Herbert Howe
U.S. Coast and Geodetic Survey
出版
U.S. Department of Commerce, Coast and Geodetic Survey
, 1944
URL
http://books.google.com.hk/books?id=wTfSPIxdu6QC&hl=&source=gbs_api