Metric conversation - hearing before the Committee on commerce, United States senate : ninety-second congress, second session on S. 2483 to provide a national program in order to make the international metric system the official and standard system of measurement in the United States ... February 29 and March 1, 1972

Förlag	År	Ort	Om boken	ISBN
	1972	USA, Washington	325 sidor. ill.