TY  - BOOK
AU  - Cohen,Leo J.
AU  - Grodman,Lawrence K.
AU  - Kerr,Edwin F.
TI  - Data base management systems
PY  - 1976///
CY  - Wellesley, Mass.
PB  - Q.E.D. Information Sciences
KW  - Electronic data processing
KW  - Electronic digital computers
KW  - Programming
ER  -