TY  - BOOK
AU  - IRFIS, 5th, Heldelberg, 1983
TI  - Procedings: Representation and exchange of knowledge as a basic of information processes /ed. by H.J. Dietschmann
SN  - 0444875638
U1  - 020 
PY  - 1984///
CY  - Amsterdaaam
PB  - McGraw-Hill
ER  -