TY  - BOOK
AU  - Merrett,T.H.
TI  - Relational information systems
SN  - 0835966429 :
AV  - QA76.9.D3 M45 1984
U1  - 001.64 23
PY  - 1984///
CY  - Reston, Va.
PB  - Reston Pub. Co.
KW  - Relational databases
N1  - Includes index; Bibliography: p. 455-473
ER  -