@INPROCEEDINGS {4023,
author={J.   Nascimento and J. Bioucas-Dias},
doi={10.1007/978-3-540-72849-8_77},
booktitle={Iberian Conf. on Pattern Recognition and Image Analysis},
title={Dependent Component Analysis: A Hyperspectral Unmixing Algorithm},
year={2007},
month={June},
volume={4478},
pages={612-619} 
}