Dwarf, brick, and triangulation of the torus. - Hans-Jürgen Bandelt; Elke Wilkeit (Discret. Math., 1987)

Isometric embeddings in Hamming graphs. - Elke Wilkeit (J. Comb. Theory B, 1990)

The retracts of Hamming graphs. - Elke Wilkeit (Discret. Math., 1992)

Quasi-median graphs and algebras. - Hans-Jürgen Bandelt; Henry Martyn Mulder; Elke Wilkeit (J. Graph Theory, 1994)