TY  - BOOK
AU  - Tocci,Ronald J.
AU  - Widmer,Neal S.
TI  - Digital systems: principles and applications 
SN  - 0132932008
AV  - TK7868.D5  .T63 2001
PY  - 2001///
CY  - London
PB  - Prentice Hall
KW  - Digital electronics
ER  -