Anderton, Pamela

Changing to the metric system: conversion factors, symbols and definitions/ Pamela Anderton, P.H. Bigg.- - 4th ed.- - (London): National Physics Laboratory, Department of Trade and Industry, 1972. - v, 58 p.

Bibliography: p. 49 - 50

--Metric system - Conversion tables.

QC 94 A5 1972