TY  - BOOK
AU  - Ullman, Jeffrey D.
TI  - Principles of Database and Knowledge-Base Systems / Jeffrey D. Ullman
SN  - 0888-2096
AV  - QA76.9.D3 U41 
U1  - 001.6 U838p 
CY  - United States of America: Computer Science Press
KW  - 1. DATA BASE MANAGEMENT \ 2. EXPERT SYSTEMS
N1  - Incluye preface, contents, index y bibliography
ER  -