@ARTICLE{Nawrocki_J.R._The_2009, author={Nawrocki, J.R. and Błażewicz, J. and Complak, W. and Kopczyńska, S. and Maćkowiak, M.}, volume={vol. 57}, number={No 1}, journal={Bulletin of the Polish Academy of Sciences Technical Sciences}, pages={71-77}, howpublished={online}, year={2009}, title={The Knapsack-Lightening problem and its application to scheduling HRT tasks}, URL={http://www.czasopisma.pan.pl/Content/105825/PDF/07_paper.pdf}, doi={10.2478/v10175-010-0107-2}, }