International Research Forum in Information Science (IRFIS5).International Research Forum in Information Science (IRFIS5) (5th : 1983 : Heidelberg):Representation and exchange of Knowledge as a basis of information processes : proceedings.NHPC,1984.
International Research Forum in Information Science (IRFIS5) (5th : 1983 : Heidelberg):Representation and exchange of Knowledge as a basis of information processes : proceedings
International Research Forum in Information Science (IRFIS5).NHPC,1984.