TY  - BOOK
AU  - Tocci,Ronald J.
AU  - Widmer,Neal S..
AU  - Moss,Gregory L..
TI  - Digital systems : principles and applications / 
U1  - 621.3815 
PY  - 2009///
CY  - England : 
PB  - Pearson Education , 
KW  - DIGITAL SYSTEMS
N1  - Includes index
ER  -