Lenk, John D. Handbook of electronic meters: theory and application [by] John D. Lenk. - Englewood Cliffs, N.J., Prentice-Hall [1969] - xii, 180 p. illus. 24 cm. - Prentice-Hall series in electronic technology . LCCN: 79076869 Subjects--Topical Terms: Electronic instruments.Electronic measurements. LC Class. No.: TK7878 / .L4 Dewey Class. No.: 681.2