Fujitsu VP2000 series. - Nobuo Uchida; M. Hirai; M. Yoshida; K. Hotta (Compcon, 1990)

Assimilating Passive Microwave Brightness Temperature Data into a Land Surface Model to Improve the Snow Depth Predictability. - Tobias Graf; Toshio Koike; Xin Li 029; M. Hirai; Hiroyuki Tsutsui (IGARSS, 2006)

Numerical solution of Q2 evolution equations for fragmentation functions. - M. Hirai; S. Kumano (Comput. Phys. Commun., 2012)