@ARTICLE{KunchevaPR18, author = {L. I. Kuncheva and J. J. Rodr\'{i}guez-Diez}, title = {On feature selection protocols for very low-sample-size data}, journal = {Pattern Recognition}, volume = {81}, year = {2018}, pages = {660--673}, url = {https://doi.org/10.1016/j.patcog.2018.03.012} }