@article{BUJNOWSKA_1985,
title={Studies on Floatability of Petrographic Constituents of Subbituminous Coal},
volume={1},
ISSN={1545-5831},
url={http://dx.doi.org/10.1080/07349348508945547},
DOI={10.1080/07349348508945547},
number={2},
journal={Coal Preparation},
publisher={Informa UK Limited},
author={BUJNOWSKA,
BOŻENA},
year={1985},
month=jan,
pages={169–188} }