=====2012年度===== * [color=red][b]Design concept of the magnetic horn system for the T2K neutrino beam[/b][/color], \\ A. K. Ichikawa, \\ [[https://www.sciencedirect.com/science/article/pii/S0168900212007115?via%3Dihub|Nucl. Instr. Meth. Phys. Res. A 690, 21 (2012)]]