Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "齋藤, 努 and Takahashi, Teruhiko and Nishikawa, Yuichi and 日本銀行金融研究所",Chemical study of the medieval Japanese Mochu-sen (Bronze Coins),,Bank of Japan. Institute for Monetary and Economic Studies,1998,IMES discussion paper series,,,,https://cir.nii.ac.jp/crid/1130000796100896768