TY - BOOK AU - Couch,Leon W. TI - Digital and analog communication systems SN - 0135225833 AV - TK5101 .C69 1997 U1 - 621.382 20 PY - 1997/// CY - Upper Saddle River, NJ PB - Prentice Hall KW - Telecommunication systems KW - Digital communications N1 - Includes bibliographical references (p. 703-713) and index ER -