@article{CTT100644396,
  author = {Naoki Asakawa and Ken Motokura and Tatsuaki Yashima and To-ru Koyama and Toshinori O-nuki and Akimitsu Miyaji and Toshihide Baba},
  title = {Proton Exchange Reaction between Hydroxyl Groups in the Supercage and Those in the Sodalitecage of Y Zeolite as Studied by Variable Temperature 1H MAS NMR},
  journal = {The Journal of Physical Chemistry C},
  year = 2012,
}

@article{CTT100644398,
  author = {Hajime Munakata and To-ru Koyama and Tatsuaki Yashima and Naoki Asakawa and Toshinori O-nuki and Ken Motokura and Akimitsu Miyaji and Toshihide Baba},
  title = {Temperature Effect on 1H Chemical Shift of Hydroxyl Groups in Zeolites and their Catalytic Activities as Solid Acids},
  journal = {The Journal of Physical Chemistry C},
  year = 2012,
}