TY  - BOOK
AU  - Date, C.J.
TI  - An introduction to database system
T2  - World student series
U1  - 005.74 21st ed.
PY  - 1981///
CY  - Massachusetts
PB  - Addison-Wesley Publishing Company
KW  - Data structures (Computer science)
KW  - Database management
KW  - Systems programming
N1  - Index: p. 561-74
ER  -