Helfrick, Alert D.. Modern Electronic Instrumentation and Measurement Techniques / by Alert D. Helfrick, William D. Cooper. - 1st ed / - New Delhi : Prentice-Hall of India Private Limited. - pXII,446 ; ISBN: 81-203-0752-6 Subjects--Topical Terms: Electronics Standards of Measurement Dewey Class. No.: D65 / N7