@article{CTT100552381,
  author = {Kazuyuki Takai and Souichirou Eto and Masayasu Inaguma and Toshiaki Enoki and Hironori Ogata and Masatoshi Tokita and Junji Watanabe},
  title = {Magnetic Potassium Clusters in the Nanographite Host System},
  journal = {Phys. Rev. Lett.},
  year = 2007,
}