"Idojiri Archaeological Museum, Nagano (Nagano-ken), Chubu, Japan. Maekawa, Seiro and Naomi Okawa; Genshi no zokei : Jomon, Yayoi, Kofun jidai no bijutsu, Nihon Bijutsu Zenshu, Tokyo: Kodansha, 1994"@en . . "Idojiri Archaeological Museum"@en . . "2015-07-16"^^ . "2015-07-16"^^ . . .