TY  - BOOK
AU  - Haykin, Simon
TI  - Communication systems
SN  - 0471571768
AV  - TK 5101 H39 1994 CIRC 
PY  - 1994///
CY  - New York
PB  - John Wiley & Sons, Inc., 
KW  - Telecommunication
N1  - Includes bibliographical references and index
ER  -