@article{ljs18027,
 author={Kumar Rao, V. a. S.},
 year={2011},
 title={Modified Direct Torque Control of Three Phase Induction Motor Drives with Low Ripple in Flux and Torque},
 journal={Leonardo J. Sci.},
 volume={10},
 number={18},
 pages={27-44},
 url={http://ljs.academicdirect.org/A18/027_044.pdf}
}