TY  - BOOK
AU  - Bray,Ohi H.
AU  - Harvey A. Freeman
TI  - Data base computers
SN  - 0-669-02834-7
AV  - FCM QA76.9.D3B7 
PY  - 1979///
CY  - Lexington, Massachusetts
PB  - : D.C. Heath and Company
KW  - Data base management
KW  - Electronic digital computers
N1  - Includes bibliographical references and index
ER  -