@ARTICLE{Szul_Tomasz_Multi-criterion_2013,
 author={Szul, Tomasz and Knaga, Jarosław and Nęcka, Krzysztof},
 number={No 2},
 journal={Teka Commission of Motorization and Power Industry in Agriculture},
 howpublished={online},
 year={2013},
 publisher={The Lublin Branch of the Polish Academy of Sciences},
 title={Multi-criterion optimisation of photovoltaic systems for municipal facilities},
}