@inproceedings{CTT100640468,
  author = {Riski A Wirawan and Yoshinao Kobayashi and Rie Endo and Masahiro Susa},
  title = {Activity Measurement of Oxygen in Molten Calcium as Effective Deoxidizing Agent  for Molten Steel},
  booktitle = {CAMP-ISIJ},
  year = 2012,
}