TY  - BOOK
AU  - Patrick,Dale R.
AU  - Fardo,Stephen W.
TI  - Understanding digital electronics: concepts, experiments, and troubleshooting 
T2  - Prentice hall understanding electronics technology series
SN  - 0-13-943473-9
AV  - TK7868.D5 P38
PY  - 1989///
CY  - Englewood cliffs, new jersey
PB  - Prentice Hall
KW  - Electrónica digital
ER  -