TY  - BOOK
AU  - Plamer James.E.  
AU  - PERLAM, DAVID.E
TI  - Theory and problams of itroduction to digital systems 
SN  - 9780070484399
U1  - 621.381 
PY  - 2004///
PB  - Tata Mcgraw, New Delhi
KW  - Electronics
ER  -