The International Metric System and How it Works
Hopkins, Robert A.
The International Metric System and How it Works Robert A. Hopkins - 2nd ed. - Tarzana AMJ co. 1974 - 287p.: ill.; 28cm.
330.9748/ / HOP
The International Metric System and How it Works Robert A. Hopkins - 2nd ed. - Tarzana AMJ co. 1974 - 287p.: ill.; 28cm.
330.9748/ / HOP