@article{95221,
  author = {Jun-Feng Song and Theodore Vorburger},
  title = {Standard Grade Rockwell Diamond Indenters - A Key to a Worldwide Unified Rockwell Hardness Scale (in Japanese)},
  year = {1996},
  number = {41},
  month = {1996-01-01},
  publisher = {Journal of Material Culture},
  language = {en},
}