TY  - BOOK
AU  - Leach, Donald P.,
AU  - Malvino, Albert Paul.
AU  - Shah, Goutam
TI  - Digital Principal and Applications 
SN  - 9780070141704
U1  - 621.395 22
PY  - 1995///
CY  - New delhi
PB  - Tata McGraw-Hill Publishing Company Limited, 
N1  - This book is having a appendix
ER  -