TY  - BOOK
AU  -  Leach, Donald P.
AU  -  Albert Paul Malvino.
AU  - Saha Goutam
TI  - Digital principles and applications
SN  - 0070141703
U1  - 621.39 
PY  - 2011///
CY  - New Delhi
PB  - Tata McGraw-Hill
ER  -