TY  - BOOK
AU  - Malvino, Albert. P. 
AU  - Leach, Donald. P. 
TI  - Digital Principles and Applications 
SN  - 0070398836 
U1  - 004 MAL  
PY  - 1991///
CY  - New Delhi
PB  - Tata McGraw Hill Publishing
ER  -