@inproceedings{CTT100481362,
  author = {Akira Nakajima},
  title = {Effect of Al2O3 Addition on Sintering of (Co, Ni) O},
  booktitle = {94th Annual Meeting of the American Ceramic Society, Abstracts,},
  year = 1992,
}

@misc{CTT100481344,
  author = {Akira Nakajima},
  title = {Ceramic Substrate for sputtered alloy film developed with required as-sintered density for use in construction of video heads},
  year = 1992,
}