Nonabelian Sylow subgroups of finite groups of even order. Chigira, Naoki; Iiyori, Nobuo; Yamaki, Hiroyoshi — 1998 Electronic Research Announcements of the American Mathematical Society [electronic only]
Characterizing the Sporadic Simple Group of Suzuki by a 2-Local Subgroup. Hiroyoshi Yamaki — 1976 Mathematische Zeitschrift