Miyaoi, Yasuo 宮負定雄; Kawana, Noboru 川名登 (1985), Nihon ryōri hiden shūsei: genten gendaigo yaku 日本料理秘伝集成: 原典現代語訳 (in Japanese), vol. 19, p. 88; Defines tororo as "yamatoimo, nagaimo, tsukuneimo, etc. peeled and grated, with dashi sauce flavored using soy sauce, mirin, salt., etc. and adds " yamakake is maguro cut in pieces with tororo poured on top, eaten with wasabi soy sauce".
Tatsuki, Kitsu 田附きつ; Tsukanaka, Kazue 塚中和恵 (1985). "Jōyo manjū no kawa no reōrojī-teki seishitsu" 薯蕷饅頭の皮のレオロジー的性質 [Rheological Properties of the Skin of Bean-Jam Buns Using Yamano-imo]. Gunma-ken nōgyō sentā kenkyū hōkoku (in Japanese). 36 (2): 93–101.
Originated from Jiaozuo (焦作), previously known as "Huai Qing Fu (怀庆俯)" "四大怀药的历史文化渊源". Archived from the original on 2016-02-03. Retrieved 2016-02-01.
usda.gov
fs.usda.gov
Gucker, Corey L. (2009). "Dioscorea spp". Fire Effects Information System (FEIS). US Department of Agriculture (USDA), Forest Service (USFS), Rocky Mountain Research Station, Fire Sciences Laboratory.