Time series prediction model building with BP-like parameter optimization. - Ikuo Yoshihara; M. Numata; Ken Sugawara; S. Yamada; Kenichi Abe (CEC, 1999)

Exploring power transformer database using Self-Organising Maps (SOM) and Minimal Spanning Tree (MST). - Kikuo Obu-Cann; K. Fujimura; Heizo Tokutaka; Masaaki Ohkita; M. Inui; S. Yamada (WSOM, 2001)