Home › Authors › Ryōichi Itagaki 👤 Ryōichi Itagaki b. 1948 · 3 books Books by Ryōichi Itagaki Ernst Mach's Graz (1864-1867) Ernst Mach's Graz (1864-1867) 2010 Ernst Mach's philosophy Ernst Mach's philosophy 2009 Ernst Mach's science Ernst Mach's science 2006