TY  - BOOK
AU  - Leven, Andrew. 
TI  - Telecommunication Circuits and Technology 
SN  - 0750650451
U1  - 621.382 
PY  - 2000///.
CY  - Oxford
PB  - Butterworth Heinemann, 
N1  - This book is having Appendix from page no 369 to 377
ER  -