TY  - BOOK
AU  - Carlson,A.Bruce
TI  - Communication systems: an introduction to signals and noise in electrical communication 
SN  - 007009957X
AV  - TK5102.5 .C3
PY  - 1975///
CY  - Tokyo
PB  - McGraw-Hill
KW  - Signal theory (Telecommunication)
KW  - Telecommunication systems
ER  -