@article{Skea_1988,
title={Optimization of Coal Beneficiation Plans for SO2Emissions Control},
volume={38},
ISSN={0894-0630},
url={http://dx.doi.org/10.1080/08940630.1988.10466999},
DOI={10.1080/08940630.1988.10466999},
number={10},
journal={JAPCA},
publisher={Informa UK Limited},
author={Skea,
James F. and Rubin,
Edward S.},
year={1988},
month=oct,
pages={1281–1288} }