international (SI) metric system and how it works; new (SI) units and changes included
By: [by] Robert A. Hopkins.
Edition: 2d ed., rev.
Publisher: AMJ Pub. Co.]
Published: 1974
Place of publication: [Tarzana, Calif
Language: eng
Number of pages: 287
Subjects: Metric system; Weights and measures -- United States
Notes: Includes bibliographical references.