TY  - BOOK
AU  - Gothmann, William H  .
TI  - Digital  electronics : an introduction to theory and practice / 
SN  - 81  203  0348  2
U1  - 621.381 
PY  - 1998///
CY  - New Delhi : 
PB  - Prentice Hall of India Pvt Ltd. , 
ER  -