@article{CTT100571004,
  author = {Kiyoshi Otsuka and M. Inaida and Yuji Wada and Takayuki Komatsu and Akira Morikawa},
  title = {Isotopic studies on oxidative methane coupling over samarium oxide},
  journal = {Chemistry Letters},
  year = 1989,
}

@inproceedings{CTT100571153,
  author = {Kiyoshi Otsuka and Yuji Wada and Takayuki Komatsu and Masakatsu Inaida and Akira Morikawa},
  title = {Reaction mechanism of oxidative coupling of methane over solid catalysts},
  booktitle = {Proceedings of 4th Japan-China-U.S.A. Symposium on Catalysis},
  year = 1989,
}