Shape and Reflectance of a Polyhedron from Interreflections by Two-Image Photometric Stereo，IEICE Trans.，Vol.E77-D, No.9，pp.1017-1021（1994.09）.

A Method of Blind Separations for Convolved Non-stationary Signals， Neurocomputing，22，pp.157-171（1998.07）.

非線形な制御対象での音源定位能力の自己組織的獲得，電気学会論文誌C， Vol.122-C, No.4，pp.669-676（2002.04）.