Rao, V. V. L. Worked examples in metric system of units : for engineering students 217 problems covering / by V. V. L. Rao - New Delhi : Tech India, 1965 - ix, 189 p. : ill. ; 22 cm. ISBN: Rs. 7.50 Subjects--Topical Terms: Metric system--Study and teachingTechnology Dewey Class. No.: 507.6