@misc{Waligóra_Grzegorz_Metaheuristics,
 author={Waligóra, Grzegorz},
 copyright={Waligóra, Grzegorz},
 howpublished={online},
 language={ang},
 type={raport z badań},
 title={Metaheuristics for some discrete-continuous project scheduling problems to maximize the net present value.},
 keywords={project scheduling, tabu search},
}