TY  - BOOK
AU  - Date,C.J.
TI  - An introduction to database systems
SN  - 0201142015 (v. 1) (hbk. )
PY  - 1986///-
CY  - Reading, Mass.
PB  - Addison-Wesley Pub. Co.
KW  - Database management
N1  - Includes index; Includes bibliographical references
ER  -