TY  - BOOK
AU  - Tocci,Ronald J.
TI  - Digital systems: Principles and applications 
SN  - 0132131331
AV  - TK7868.D5 T62 1991
PY  - 1991///
CY  - Englewood cliffs, new jersey
PB  - Prentice Hall
KW  - Electrónica digital
ER  -