TY  - BOOK
T1  - The problem of incomplete information in relational databases
T2  - Lecture notes in computer science
A1  - Grahne, G
LA  - English
PP  - Berlin etc.
PB  - Springer-Verlag
YR  - 1991
UL  - https://colectivo.uloyola.es/Record/L6738
OP  - 156
SN  - 3540549196
KW  - Recuperación de la información
ER  -