TY  - BOOK
AU  - Tocci, Ronald J.
AU  - Widmer, Neal S.
TI  - Digital systems: principles and applications 
SN  - 9788131723289
U1  - 621.381 TOC-R 
PY  - 2007///
CY  - India
PB  - Prentice Hall of India
KW  - Digital electronics --Textbooks
ER  -