Minimizing Total Delay in Fixed-Time Controlled Traffic Networks. - Ekkehard Köhler; Rolf H. Möhring; Gregor Wünsch (OR, 2004)

Benchmarks for Strictly Fundamental Cycle Bases. - Christian Liebchen; Gregor Wünsch; Ekkehard Köhler; Alexander Reich; Romeo Rizzi (WEA, 2007)

The zoo of tree spanner problems. - Christian Liebchen; Gregor Wünsch (Discret. Appl. Math., 2008)

Lower bounds for strictly fundamental cycle bases in grid graphs. - Ekkehard Köhler; Christian Liebchen; Gregor Wünsch; Romeo Rizzi (Networks, 2009)