Donovan, Frank
Prepare Now For A Metric Future
Web and Talley, N.Y. 1970
Kemp, Albert F. and Richards, Thomas J.
The Metric System
Made Simple
Laidlaw Brothers, 1973
Consumers Association of Canada, “Metrics and Measurements” and “S.I. is Simple” from Canadian Consumer Jan. and Nov. 1972
The World Book Encyclopedia,
“Metrics” 1977
The Mafex Teacher’s Press “The Painless Metric System” from Metric Idea Exchange, Area Cooperative Educational Services, Nov. 1978
National Bureau of Standards Technical News Bulletin, “The Metric Changeover” Vol. 57, No. 5
