TY  - BOOK
AU  - Hussien Oakasha Mohamed, 
AU  - L. F. Abd-Elal
AU  - Akram I. Salah
TI  - Enforcing State Constraints In Relational Databases Without Their Specifcation In Update Transactions / 
PY  - 1995///
KW  - Mathematics
N1  - Thesis (M.Sc.)-Cairo University, 1995.; Bibliography: pages 92-94.
ER  -