TY  - BOOK
AU  - Proakis,John G., x
AU  - x
TI  - Digital commuincations: x
SN  - 0071181830
U1  - 621.382/P962d 
PY  - 2001///
CY  - Boston ; New York
PB  - McGraw-Hill
KW  - Digital communications
N1  - Includes
ER  -