H. Koyama

A CONSTITUTIVE EQUATION FOR SANDS AND ITS APPLICATION TO ANALYSES OF ROTATIONAL STRESS PATHS AND LIQUEFACTION RESISTANCE

H. Matsuoka, H. Koyama, H. Yamazaki, 1985 .

Managing Both Strength and Ductility in Ultrafine Grained Steels

Daisuke Terada, Hirofumi Koyama, Naoki Takata, 2008 .

Estimation of Water Particle Velocities by a Modified Transfer Function Method

K. Iwata, H. Koyama, 1985 .