@article{CTT100554048,
  author = {Hiroaki Yamagishi and Marian. B. Westley and Brian N. Popp and Sakae Toyoda and Naohiro Yoshida and Shuichi Watanabe and Keisuke Koba and Yasuhiro Yamanaka},
  title = {Role of nitrification and denitrification on the nitrous oxide cycle in the eastern tropical North Pacific and Gulf of California.},
  journal = {J. Geophys. Res.-Biogeosciences},
  year = 2007,
}

@article{CTT100550683,
  author = {Hideki Nara and Sakae Toyoda and Naohiro Yoshida},
  title = {Stable carbon isotopic composition of ethane and propane over the western North Pacific and eastern Indian Ocean},
  journal = {Journal of Atmospheric Chemistry},
  year = 2007,
}

@inproceedings{CTT100553004,
  author = {unknown unknown and Sakae Toyoda and 吉田磨 and 渡辺修一 and NAOHIRO YOSHIDA},
  title = {アイソトポマー比を用いた南極海におけるN2Oの動態解析},
  booktitle = {第30回極域生物シンポジウム講演要旨集},
  year = 2007,
}