Helfrick, Albert D. Modern electronic instrumentation and measurement techniques / Albert D. Helfrick and William D. Copper - Chennai: Pearson India Education, 2017 - x, 414 p. : 24 cm. ISBN: 9789332556065 Subjects--Topical Terms: Electrical Engineering Dewey Class. No.: 621.38154 / ALB-M 2017 11105