TY - JOUR AU - Zhao Zhang AU - Ning Ye TI - Effective Semi-supervised Nonlinear Dimensionality Reduction for Wood Defects Recognition JO - Computer Science and Information Systems PY - 2010 VL - 7 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CSIS_2010_7_1_a11/ ID - CSIS_2010_7_1_a11 ER -