@ARTICLE{Kulikowski_K._Efficiency_2011, author={Kulikowski, K. and Sikorski, A.}, volume={59}, number={No 4}, journal={Bulletin of the Polish Academy of Sciences Technical Sciences}, pages={569-574}, howpublished={online}, year={2011}, title={Efficiency improvement due to direct torque and flux three levels three areas control method applied to small hydroelectric power plant}, URL={http://www.journals.pan.pl/Content/83447/PDF/27_paper.pdf}, doi={10.2478/v10175-011-0070-6}, }