TY  - BOOK
AU  - Leach,Donald P.
TI  - Digital principles and applications 
SN  - 0070472580
U1  - 621.395 LEA 
PY  - 1995///
KW  - Digital electronics
KW  - Electronic digital computers
KW  - EE, EL
UR  - http://www.loc.gov/catdir/description/mh031/93029589.html
UR  - http://www.loc.gov/catdir/toc/mh031/93029589.html
ER  -