TY  - BOOK
AU  - Malvino, A.P. &  Leach, D P
TI  - Digital principles and applications .-4th .-0-07-039883-6
SN  - 0-07-039883-6
U1  - 621.381958 Mal 
PY  - 1988///
CY  - Tat McGraw-Hill Publishig compani limited, new Delhi
ER  -