Some Aspects in the Construction of Timetables. - Gunther Schmidt 001; Thomas Ströhlein (IFIP Congress, 1974)

Analyzing games by Boolean matrix iteration. - Thomas Ströhlein; L. Zagler (Discret. Math., 1977)

Timetable Construction - An Annotated Bibliography. - Gunther Schmidt 001; Thomas Ströhlein (Comput. J., 1980)

Kernels in Bipartite Graphs. - Gunther Schmidt 001; Thomas Ströhlein (WG, 1982)

Relation algebras: Concept of points and representability. - Gunther Schmidt 001; Thomas Ströhlein (Discret. Math., 1985)

Relationen und Graphen - Gunther Schmidt 001; Thomas Ströhlein (Springer, 1989)

Relations and Graphs - Discrete Mathematics for Computer Scientists - Gunther Schmidt 001; Thomas Ströhlein (Springer, 1993)