TY  - BOOK
AU  - Proakis,John G .
TI  - Digital communication / 
SN  - 007Y664900
U1  - 384.3 
PY  - 1987///
CY  - London : 
PB  - McGraw-Hill Book , 
KW  - DIGITAL COMMUNICATION
N1  - Includes bibliographical references and index
ER  -