TY  - BOOK
AU  - S.M.Deen,G.P Thomas
TI  - Data and Knowledge base integration:Proceedings of the working conference on data and Knowledge base integration held at university of keele,England on Oct 4-5,1989
SN  - 0-273-08826-2
U1  - 004.891 
PY  - 1990///
CY  - 
PB  - Pitman
ER  -