Information System Design: Techniques and Software Support - Response. - Elöd Knuth; János Demetrovics; Ágnes Hernádi (IFIP Congress, 1986)

Notes on conceptual representations. - Elöd Knuth; László Hannák; Ágnes Hernádi (ISMIS, 1986)

On Transformation Properties of Conceptual Structures. - Elöd Knuth; János Demetrovics; Ágnes Hernádi (ISMIS, 1987)

Data pictures on the desktop. - Ágnes Hernádi; Aladár Heppes; Elöd Knuth (Acta Cybern., 1990)

A Visual Technique for Communicating Data. - F. Jamrik; G. Janek; Ágnes Hernádi; Elöd Knuth; M. Szabó (VDB, 1991)