TY  - BOOK
AU  - Leach,Donald P.
AU  - Malvino,Albert Paul
TI  - Digital: principles and applications 
SN  - 0070472580 :
AV  - TK7868 .D5L43 1995
PY  - 1995///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Digital electronics
ER  -