@ARTICLE{Klimek_M._Robustness_2013,
 author={Klimek, M. and Łebkowski, P.},
 volume={61},
 number={No 4},
 journal={Bulletin of the Polish Academy of Sciences Technical Sciences},
 pages={1005-1015},
 howpublished={online},
 year={2013},
 title={Robustness of schedules for project scheduling problem with cash flow optimisation},
 URL={http://www.journals.pan.pl/Content/83850/PDF/29_paper.pdf},
 doi={10.2478/bpasts-2013-0108},
}