TY  - BOOK
AU  - Ullman, Jeffrey D.; Widom, Jennifer
TI  - A first Course in Database Systems 
SN  - 0131225200
U1  - 005 ULL 2002 
PY  - 2002///
CY  - New Jersey
PB  - Pearson Education
KW  - Database systems
N1  - includes index
ER  -