@ARTICLE{Wasiak_I._Integration_2009,
 author={Wasiak, I. and Hanzelka, Z.},
 volume={vol. 57},
 number={No 4},
 journal={Bulletin of the Polish Academy of Sciences Technical Sciences},
 pages={297-309},
 howpublished={online},
 year={2009},
 title={Integration of distributed energy sources with electrical power grid},
 URL={http://ochroma.man.poznan.pl/Content/105855/PDF/01_paper.pdf},
 doi={10.2478/v10175-010-0132-1},
}