TY  - GEN
AU  - Yasser Abdelhamid Abdelfattah
AU  - Ahmed Rafea , 
TI  - Sharable and reusable infra - knowledge for large scale knowledge - based systems / 
PY  - 1998///
CY  - Cairo : 
PB  - Yasser Abdelhamid Abdelfattah , 
N1  - Thesis(Ph.D.) - Cairo University - IInstitute of Statistical Studies and Research - Department of Computer and Information Science
UR  - http://172.23.153.220/th.pdf
ER  -