TY  - BOOK
AU  - Ullman,Jeffrey D.
TI  - Principles of database and knowledge-base systems
SN  - 088175188X (v. 1)
AV  - QA76.9.D3 U443 1988
U1  - 005.74 19
PY  - 1988///-c1989
CY  - Rockville, Md.
PB  - Computer Science Press
KW  - Database management
KW  - Expert systems (Computer science)
N1  - Includes bibliographical references and indexes
ER  -