Record Subtyping in Flexible Relations by Means of Attribute Dependencies. - Christian Kalus; Peter Dadam (ICDE, 1995)

Flexible Relations - Operational Support of Variant Relational Structures. - Christian Kalus; Peter Dadam (VLDB, 1995)

Unterstützung varianter Strukturen in einem erweiterten relationalen Datenmodell. - Christian Kalus (1995)

Team der Lösungsfinder. - Christian Kalus (Wirtschaftsinformatik Manag., 2018)