TY  - BOOK
AU  - Date,C.J.
TI  - An introduction to database systems: Vol.1 
T2  - Addison-Wesley systems programming series
SN  - 0201192152
PY  - 1986///
CY  - Reading, Massachusetts
PB  - Addison-Wesley Publishing Company
KW  - Database management
KW  - File organization
KW  - Computer science
N1  - Previous edition : 1981; Includes index
ER  -