@ARTICLE{Ali_Hasan_ENERGY_2014,
 author={Ali Hasan and Bhekisipho Twala and Khmaies Ouahada and Tshilidzi Marwala},
 number={No 1},
 journal={Archives of Mining Sciences},
 howpublished={online},
 year={2014},
 publisher={Committee of Mining PAS},
 title={ENERGY USAGE OPTIMISATION IN SOUTH AFRICAN MINES},
 URL={http://www.journals.pan.pl/Content/93433/PDF/10267-Volume59_Issue1-04_paper.pdf},
 doi={10.2478/amsc-2014-0004},
}