Previous ed.: / by Pamela Anderton and B. Swindells. 1972.
Bibliography: p.47-48. _ Includes index.
Changing to the metric system : conversion factors, symbols and definitions by Pamela Anderton. ISBN 0114800464. Published by H.M.S.O. for the National Physical Laboratory in 1979. Publication and catalogue information, links to buy online and reader comments.