On the impact of real-time information on field service scheduling. - Ioannis Petrakis; Christian Hass; Martin Bichler (Decis. Support Syst., 2012)

Optimization-based decision support for scenario analysis in electronic sourcing markets with volume discounts. - Christian Hass; Martin Bichler; Kemal Güler (Electron. Commer. Res. Appl., 2013)