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GRD Research Notes

Air Force Cambridge Research Laboratories (U.S.). Geophysics Research Directorate

出版	Geophysics Research Directorate, Air Force Cambridge Research Laboratories, office of Aerospace Research, United States Air Force., 1958
URL	http://books.google.com.hk/books?id=vB9sngLsnRYC&hl=&source=gbs_api
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