@inproceedings{CTT100901720,
  author = {Kenji NOMA and NOBUHIRO MATSUSHITA and SHIGEKI NAKAGAWA and MASAHIKO NAOE},
  title = {Control of Microcrystal Structure of BaM Ferrite Films with Perpendicular Magnetic Anisotropy Deposited Using Plasma-Free Sputtering System},
  booktitle = {Journal of the Magnetics Society of Japan},
  year = 1998,
}

@inproceedings{CTT100901692,
  author = {Kenji NOMA and NOBUHIRO MATSUSHITA and SHIGEKI NAKAGAWA and MASAHIKO NAOE},
  title = {Preparation and recording characteristics of rigid disks using Co-Zn ferrite sputtered films for high density magnetic recording with perpendicular anisotropy},
  booktitle = {Journal of Magnetics Society of Japan},
  year = 1994,
}