Changing to the metric system
Subtitle: conversion factors, symbols and definitions
By: [by] Pamela Anderton and P. G. Bigg.
Contributors: Bigg, P. H., joint author.; National Physical Laboratory (Great Britain)
Edition: 2nd ed.
Publisher: H.M.S.O.
Published: 1967
Place of publication: London
Language: eng
Number of pages: 48
Subjects: Metric system.