Decision Support for Flow Management in a Recycling Network. - Ulrich Derigs; Stefan Friederichs (HICSS, 2009)

On the application of a transportation model for revenue optimization in waste management: a case study. - Ulrich Derigs; Stefan Friederichs (Central Eur. J. Oper. Res., 2009)

A New Approach for Air Cargo Network Planning. - Ulrich Derigs; Stefan Friederichs; Simon Schäfer (Transp. Sci., 2009)

Air cargo scheduling: integrated models and solution procedures. - Ulrich Derigs; Stefan Friederichs (OR Spectr., 2013)