TY  - BOOK
AU  - Leach D.
AU  - MalvinoA.SahaG.
ED  - Leach D.; Malvino A. & Saha G.
TI  - Digital Principles And Applications
U1  - 621.3815'3 
PY  - 2009///
PB  - Tata Mc-Graw Hill
ER  -