TY  - BOOK
AU  - Groff,James R.
AU  - Weinberg,Paul N.
TI  - The complete reference SQL / 
SN  - 0072118458   
PY  - 1999///.
CY  - New York
PB  - McGraw-Hill, 
KW  - Relational data bases
KW  - SQL (Computer program language)
N1  - Together with CD-ROM
ER  -