TY  - BOOK
AU  - Helman,Paul
TI  - The science of database management
SN  - 0256134383 
U1  - 005.756 HEL 
PY  - 1994///
CY  - Burr Ridge, Ill.
PB  - Irwin
KW  - Database management
N1  - Includes bibliographical references (p. 584-588) and index
ER  -