@ARTICLE {8455,
author={S.J.P.S. Mariano and J. Pombo and M.R.A. Calado and L.A.F.M. Ferreira},
doi={10.3906/elk-1003-413},
journal={Turkish Journal of Electrical Engineering and Computer Sciences},
title={A procedure to specify the weighting matrices for an optimal load-frequency controller},
year={2012},
month={March},
volume={20},
number={3},
pages={367-379},
ISSN={1300-0632}
}