Cooper, William D. Electronic instrumentation and measurement techniques/ by William David Cooper and Albert D. Helfrick.- - New delhi : Prentice-hall, c1985. - xi, 466p. : ill. ; 23cm. - Monthly - Vol. 96, no. 97 (Jan. 1949)-v. 126, no. 12 (Dec. 1979). includes index ISBN: 0876924135 Source: B-18843 Subjects--Topical Terms: Electronic --measurement--instrumentation Index Terms--Genre/Form: Periodicals. LC Class. No.: TK275 / .C66.1985