TY - JOUR AU - Pearson, D. W. TI - Data probes, vertical trajectories and classification: A tentative study JO - International Journal of Applied Mathematics and Computer Science PY - 2007 SP - 107 EP - 112 VL - 17 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IJAMCS_2007_17_1_a9/ LA - en ID - IJAMCS_2007_17_1_a9 ER -