Jesús M. Pérez Javier Muguerza Olatz Arbelaitz Ibai Gurrutxaga José Ignacio Martín Combining multiple class distribution modified subsamples in a single tree. 414-422 2007 28 Pattern Recognition Letters 4 http://dx.doi.org/10.1016/j.patrec.2006.08.013 db/journals/prl/prl28.html#PerezMAGM07