TY  - BOOK
AU  - BIGNELL, JAMES
AU  - DONOVAN, ROBERT
TI  - DIGITAL ELECTRONICS
SN  - 9812403523
U1  - 621.382/BIG/DON 
PY  - 2001///
CY  - AFRICA.
PB  - DELMAR THOMSON LEARNING., AFRICA
ER  -