@article{CTT100648459,
  author = {Masaaki Kitano and Emiko Wada and Kiyotaka Nakajima and Shigenobu Hayashi and Souichi Miyazaki and Hisayoshi Kobayashi and Michikazu Hara},
  title = {Protonated Titanate Nanotubes with Lewis and Brønsted Acidity: Relationship between Nanotube Structure and Catalytic Activity},
  journal = {Chemistry of Materials},
  year = 2013,
}

@article{CTT100666382,
  author = {K. Fukuhara and K. Nakajima and M. Kitano and S. Hayashi and M. Hara},
  title = {Synthesis and Acid Catalysis of Zeolite-Templated Microporous Carbons with SO3H Groups},
  journal = {Phys. Chem. Chem. Phys.},
  year = 2013,
}