TY  - BOOK
AU  - Shepherd, John C.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
TI  - : theory and application 
SN  - 256078297
SN  - 2
PY  - 1990///];copyright 199046
CY  - Homewood, IL
PB  - Irwin
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Database management
N1  - Includes bibliographical references (p. 778-781); 5
ER  -