Hsu, Hwei P. Anolog and digital communications / Hwei P. Hsu ; adapted by Debjani Mitra. - - New Delhi : Tata McGraw-Hill, c2003. - ill. ; (various pagings) : 24 cm. - Schaum's outlines . Includes index. ISBN: 0070601860 Subjects--Topical Terms: Telecommunications.Digital communications. Dewey Class. No.: 621.38 / H873