TY  - BOOK
AU  - Smale,P.H.
TI  - Introduction to telecommunications systems
SN  - 0273024426
U1  - 621.38 
PY  - 1986///
CY  - London
PB  - Pitman
KW  - Telecommunication
N1  - Accession no. of 2nd copy not found
ER  -