TY  - BOOK
AU  - Tocci,Neal S.Widmer,Gregory L.Moss Ronald J.
TI  - Digital systems : principles and applications 
T2  - Nineth
SN  - 8580000025798 (hardcover)
PY  - 2004///
CY  - New Delhi
PB  - Pearson
UR  - http://www.amazon.com/exec/obidos/ASIN/B0087BUAZY/chopaconline-20
ER  -