TY  - BOOK
AU  - Date, C.J.
AU  - Darwen, Hugh
TI  - Databases Types and the Relational Model : the third manifesto
SN  - 0321399420
U1  - 005.756 DAT 
PY  - 2007///
CY  - England
PB  - Addison-Wesley
KW  - Relational database
N1  - Table of Contents
Ch. 1 Background and
ER  -