Branley, Franklyn Mansfield, 1915-2002. Think metric! / [electronic resource] / by Franklyn M. Branley ; illustrated by Graham Booth.. — New York : : Crowell,, c1972.. — 53 p. : : ill. ; 24 cm.
Анотація: Describes how accurate standards of measurements were determined for time, length and width, volume, temperature, and weight with emphasis on the advantages of the metric system.