TY  - BOOK
AU  - KNIGHT, S A 
TI  - TELECOMMUNICATION PRINCIPLES FOR FINAL CERTIFICATE VOLUME 2: TELECOMMUNICATION PRINCIPLES C
SN  - 0408701080
AV  - TK146 .K57
PY  - 1971///
CY  - LONDON
PB  - BUTTERWORTH SCIENTIFIC 
KW  - Y
N1  - N
ER  -