TY  - BOOK
AU  - Leach, Donald P ...[et al.].
AU  - Malvino, Albert Paul.
AU  - Saha, Goutam.
TI  - Digital principles and applications
SN  - 0070601755
AV  - 5921 
U1  - 621.39519 22
PY  - 2006///
CY  - New Delhi
PB  - Prentice Hall
ER  -