TY  - BOOK
AU  - Date, CJ.
TI  - An introduction to database systems v. 2
SN  - 0-201-14474-3
AV  - QA76.9.D3D367 1983 
PY  - 1983///
CY  - Reading, Massachusetts
PB  - Addison-Wesley Publishing Company
KW  - Data base management
N1  - Includes bibliographical references and index
ER  -