TY  - BOOK
AU  - Groff,James R.
AU  - Weinberg,Paul N.
TI  - La guida completa SQL
SN  - 88-386-4313-X
PY  - 2003///
CY  - Milano [etc.]
PB  - McGraw-Hill
N1  - Title of the work: SQL: the complete reference; Second edition
ER  -