Radial and axial Segregation of Granular Mixtures in the rotating-Drum Geometry. - Sanjay Puri; Hisao Hayakawa (Adv. Complex Syst., 2001)

Superconducting digital electronics. - Hisao Hayakawa; Nobuyuki Yoshikawa; Shinichi Yorozu; Akira Fujimaki (Proc. IEEE, 2004)