Online Signature Verification Based on Dynamic Feature Segmentation and 3-Step Matching. - Heeyong Kwon; E. Y. Ha; H. Y. Hwang (IDEAL, 2003)

PM-10 Forecasting Using Neural Networks Model. - S. H. Yu; Y. S. Koo; E. Y. Ha; Heeyong Kwon (CIMCA/IAWTIC/ISE, 2008)