TY  - BOOK
AU  - Date,C.J.
TI  - An introduction to database systems
SN  - 0201144743(hbk) 
U1  - 005.74 
PY  - 1985///
CY  - Reading, Mass.
PB  - Addison-Wesley Pub. Co.
KW  - Database management
N1  - Index included; Includes bibliographies and index
ER  -