TY  - BOOK
AU  - William, Stallings
TI  - Computer organization  and architecture 
SN  - 0131856448
PY  - 2006///
CY  - America
PB  - Rearson Prentice Hall
KW  - Computer organization, semiconductor main memoly, computer arithmetic,basic concepts
UR  - http://41.111.198.133/Z/INF.003.1.04.pdf
ER  -