TY  - BOOK
AU  - ULLMAN JEFFREY D
TI  - PRINCIPLES OF DATABASE AND KNOWLEDGE-BASE SYSTEMS
SN  - 0-7167-8158-1
U1  - 005.74 ULL 
CY  - MARYLAND
KW  - COMPUTERS
KW  - DATABASE KNOWLEDGE
N1  - UNDER TEQIP PHASE -II
ER  -