靈靈憲靈憲de Heng ZhangMateriasChinese AstronomyEdiciones (1)靈憲 (1926)Chen shi Shen chu tang · chinoMás obras de Heng ZhangRReigetsu, toki wa washi ki wa kiyoshiReigetsu, toki wa washi ki wa kiyoshi張張河間集張河間集渾渾天儀渾天儀