Jenkins, Gwilym M. Spectral analysis : and its applications / Gwilym M. Jenkins and Donald G. Watts. - San Francisco : Holden-Day, c1968. - xviii, 525 p. : illus. ; 24 cm. - Holden-Day series in time series analysis. . Includes bibliographies. Subjects--Topical Terms: Time-series analysis. Dewey Class. No.: 519.55 / JES 1968