Automorphisms of Graphs with Edge Colourings and Regular Groups of Colour Preserving Automorphisms. - Ulrike Baumann; Manfred Lesch (J. Inf. Process. Cybern., 1987)

Equivalent Colourings and Partitions of Graphs. - Ulrike Baumann; Manfred Lesch (J. Inf. Process. Cybern., 1990)

on Edge-hamiltonian Cayley Graphs. - Ulrike Baumann (Discret. Appl. Math., 1994)

Power Graphs. - Ulrike Baumann; Reinhard Pöschel; Irmgard Schmeichel (J. Inf. Process. Cybern., 1994)

Automorphism groups of graphs with 1-factorizations. - Ulrike Baumann (Discret. Math., 1996)