TY  - BOOK
AU  - Shepherd,John C.
TI  - Database management: theory and application 
SN  - 0256078297
U1  - 005.74 20
PY  - 1990///
CY  - Homewood, IL
PB  - Irwin
KW  - Database management
N1  - Includes bibliographical references (p. 778-781)
ER  -