@inproceedings {Heylenpscheund2011,
	title = {Non-linear fully-constrained spectral unmixing},
	booktitle = {IEEE IGARSS2011, IEEE International Geoscience and Remote Sensing Symposium, Vancouver, July 25-29},
	year = {2011},
	author = {Rob Heylen and Paul Scheunders}
}
