TY - BOOK AU - Couch,Leon W. TI - Digital and Analog Communication Systems SN - 002946062X (paperback) PY - 1994/// CY - [S.l.] PB - Prentice Hall International Paperback Editions KW - Telecommunication systems KW - Digital communications UR - http://10.10.170.122:8080/browse/book/23899 ER -