TY  - BOOK
AU  - Stanley,William D.
AU  - Jeffords,John M.
TI  - Electronic communications: principles and systems 
SN  - 1418000035
PY  - 2006///
CY  - Clifton Park, NY
PB  - Thomson Delmar Learning
KW  - Telecommunication
KW  - Digital communications
N1  - Includes index
ER  -