Harmuth, Henning F. Sequency theory functions and applications Henning F. Harmuth - New York Academic Press 1977 - xiv, 505p. - Advances in Electronics and Electron Physics Supplement; no. 9 . ISBN: 0-12-01469-3 Subjects--Topical Terms: NASA ThesaurusSequency Theory Universal Decimal Class. No.: 047.1:621.38 / AEE-S9