@ARTICLE {7925,
author={M. Iordache  and J. Bioucas-Dias and A. Plaza},
doi={10.1109/TGRS.2013.2240001},
journal={IEEE Transactions on Geoscience and Remote Sensing},
title={Collaborative sparse regression for hyperspectral unmixing},
year={2013},
month={January},
volume={52},
number={1},
pages={341-354},
ISSN={0196-2892}
}