Albert F. Kempf books & textbook
The Metric System Made Simple
Doubleday /1977T Paperback / 150 Pages
isbn-10: 0385110324 / isbn-13: 9780385110327
Mathematics 5
Bernard H. Gundlach Edward G. Buffie Robert R. Denny Albert F. Kempf
Laidlaw Brothers /1968T Hardcover / 360 Pages
Exploring the metric system
Laidlaw Brothers /1974T Unknown Binding / 95 Pages
