TY  - BOOK
AU  - Halll, Douglas V.
TI  - Microprocessors & interfacing: Programming and hardware
U1  - 001.6404 H175M 
PY  - 1997///
CY  - New Delhi.
PB  - Tata McGraw Hill
KW  - Microprocessors & interfacing
KW  - Programming and hardware
ER  -