TY  - BOOK
AU  - Tocci, Ronald J.
AU  - Widmer, Neal S
TI  - Digital systems: principles and applications
SN  - 8120309855
U1  - 621.3916 
PY  - 2004///
CY  - New Delhi
PB  - Prentice Hall of India
KW  - Electronic data processing
ER  -