On the Representation of Dependencies by Propositional Logic. - János Demetrovics; Lajos Rónyai; Hua nam Son (MFDBS, 1991)

On the Composition and Decomposition of Attributes and Tuples. - János Demetrovics; Lajos Rónyai; Hua nam Son (ICDT, 1992)

Functional Dependencies among Boolean Dependencies. - János Demetrovics; Lajos Rónyai; Hua nam Son (Ann. Math. Artif. Intell., 1993)

Logical Representation of Dependencies of Items and the Complexity of Customer Sets. - János Demetrovics; Hua nam Son; Ákos Gubán (BCI (Local), 2012)