TY  - BOOK
AU  - LEACH, DONALD P.
AU  - MALVINO, ALBERT PAUL
TI  - DIGITAL PRINCIPLES AND APPLICATIONS
SN  - 0070472580
U1  - 621.381/LEA/MAL 
PY  - 2004///
CY  - NEW DELHI.
PB  - TATA MCGRAW HILL CO LTD., NEW DELHI.
ER  -