@article{CTT100631831,
  author = {T. Uchino and A. Sakoh and M. Azuma and M. Takano and M.  Takahashi and T. Yoko},
  title = {A Novel Pressure-Induced Polymorphic Transition from Fumed Silica to Transparent Amorphous SiO2 at Room Temperature},
  journal = {J. Phys.: Condens. Matter},
  year = 2002,
}