A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL. The file type is application/pdf.
application/pdf
陸 太進, 砂川 一郎. "Rundelbundering の原因." Journal of The Gemmological Society of Japan 14.1-4 (1989) 72-73