Traffic Itself is Simple - Just Analyzing It is Not. - Ralf Schleiffer (HICSS, 2000)

Using Computational Intelligence in Fuzzy Engineering Design. - Hans-Jürgen Sebastian; Ralf Schleiffer (Cybern. Syst., 2000)

Application of Genetic Algorithms for the Design of Large-Scale Reverse Logistic Networks in Europe's Automotive Industry. - Ralf Schleiffer; Jens Wollenweber; Hans-Jürgen Sebastian; Florian Golm; Natasha Kapoustina (HICSS, 2004)

An intelligent agent model. - Ralf Schleiffer (Eur. J. Oper. Res., 2005)