TY  - BOOK
AU  - Smol,G.
AU  - 
TI  - Telecommunication; a System Approach
U1  - 621.39 
PY  - 1976///
CY  - London
PB  - George Allen & Unwin
KW  - Telecommunication
N1  -  Bibliog. p. 260-263
ER  -