@article{CTT100616889,
  author = {Kiyotaka Nakajima and Tsuyoshi Fukui and Hideki Kato and Masaaki Kitano and Junko N. Kondo and Michikazu Hara},
  title = {Structure and Acid Catalysis of Mesoporous Nb2O5nH2O},
  journal = {Chemistry of Materials},
  year = 2010,
}