TY  - BOOK
AU  - Carlson, A. Burce
AU  - Crilly , Paul B.
TI  - Communication systems:an introduction to signals and noise in electrical communication
SN  - 0-07-121028-8
U1  - 621.382 
PY  - 2002///
CY  - New York
PB  - McGraw-Hill
KW  - Digital communications
KW  - Modulation(Electronics)
KW  - Signal theory
N1  - Includes bibliographical references and index; Book Emporium, Silchar
ER  -