Meade, M.L. Lock-in amplifiers : principles and applications / [Books]. M.L. Meade. - London : P. Peregrinus on behalf of the Institution of Electrical Engineers, 1983. - ix, 232 p. : ill. ; 23 cm. - IEE electrical measurement series ; 1 . Includes bibliographical references and index. ISBN: 090604894X LCCN: 83178189 Subjects--Topical Terms: Lock-in amplifiers.Signal processing.