TY  - BOOK
AU  - PURI, V. K.
TI  - DIGITAL ELECTRONICS CIRCUITS & SYSTEMS
SN  - 0074633171
U1  - 621.381/PUR 
PY  - 2005///
CY  - NEW DELHI.
PB  - TATA MCGRAW HILL CO LTD., NEW DELHI.
ER  -