@ARTICLE{Marańda_W._Efficiency_2014, author={Marańda, W. and Piotrowicz, M.}, volume={62}, number={No 4}, journal={Bulletin of the Polish Academy of Sciences Technical Sciences}, pages={713-721}, howpublished={online}, year={2014}, title={Efficiency of maximum power point tracking in photovoltaic system under variable solar irradiance}, URL={http://www.czasopisma.pan.pl/Content/84011/PDF/12_paper.pdf}, doi={10.2478/bpasts-2014-0077}, }