TY  - BOOK
AU  - Widmer, Neal S.
AU  - Moss, Gregory L.
AU  - Tocci, Ronald J.
TI  - Digital systems : principles and applications
SN  - 9781292162003
U1  - 621.381 WID/DIG 
PY  - 2018///
CY  - New Delhi 
PB  -  Pearson Education
KW  - SEPT2019
ER  -