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U. S. Metric Study Interim Report: A history of the metric system controversy in the U. S

United States. National Bureau of Standards

出版	U. S. National Bureau of Standards, 1971
URL	http://books.google.com.hk/books?id=_sAWXl5LL5EC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN