TY  - BOOK
AU  - Everett L.Johnson,Md.A.Karim
AU  - Everett L.Johnson,Md.A.Karim
TI  - Digital Design A Pragmatic Approach
U1  - 621.395/J61d 
PY  - 1987///
CY  - USA
PB  - PWS-KENT Publishing Co. 
KW  - Everett L.Johnson,Md.A.Karim
ER  -