A heuristic algorithm for a dial-a-ride problem with time windows, multiple capacities, and multiple objectives. - Oli B. G. Madsen; Hans F. Ravn; Jens Moberg Rygaard (Ann. Oper. Res., 1995)

A review of mathematical models in economic environmental problems. - Zbigniew Nahorski; Hans F. Ravn (Ann. Oper. Res., 2000)

Uncertainty in energy-economic modelling of the electrical power sector. - Hans F. Ravn; Klaus Skytte (Ann. Oper. Res., 2000)