Horrobin, Peter J. Constructional mathematics : volume 1 (S.I. units) / by peter horrobin - 1st edition - xi, 153 p. : illus. ; 21 cm. - Library of industrial and commercial education and training. Construction division . ISBN: 0080068901 LCCN: 72106454 Subjects--Topical Terms: Mathematics. Dewey Class. No.: 510 / H816