TY  - BOOK
AU  - Leach, Donald P.
TI  - Digital principles and applications
SN  - 0074622318
AV  - 621.395 MAL 1991 
U1  - 621.395 MAL 1991 
PY  - 1991///
PB  - Tata McGraw-Hill
KW  - Electronic Engineering
ER  -