TY - BOOK AU - Couch,Leon W. TI - Digital and analog communication systems SN - 9780132915380 (alk. paper) AV - TK5101 .C69 2013 U1 - 384 23 PY - 2013/// CY - Upper Saddle River, N.J. PB - Pearson KW - Telecommunication systems KW - Digital communications N1 - Includes bibliographical references and index ER -