"jones, m j. "
a guide to metrication: / m.j. jones - 1 ed. - uk : pergamon press 1969. - "xiv, 156p.; 21 cm."
includes bibliography
08 006539 2
QC91 / .J63 1969
a guide to metrication: / m.j. jones - 1 ed. - uk : pergamon press 1969. - "xiv, 156p.; 21 cm."
includes bibliography
08 006539 2
QC91 / .J63 1969