@article{CTT100608533,
  author = {Kazuhiko Yamada and Miwako Asanuma and Hisashi Honda and Takahiro Nemoto and Toshio Yamazaki and Hiroshi Hirota},
  title = {Determination of the carboxylate oxygen electric-field-gradient and chemical shielding tensors in L-alanine and L-phenylalanine},
  journal = {Journal of Molecular Structure},
  year = 2007,
}

@article{CTT100608524,
  author = {Kazuhiko Yamada and Hisashi Honda and Toshio Yamazaki and Mitsuru Yoshida},
  title = {Solid-state 17O NMR study of the electric-field-gradient and chemical shielding tensors in polycrystalline γ-glycine},
  journal = {Solid State Nuclear Magnetic Resonance},
  year = 2006,
}

@article{CTT100608529,
  author = {Kazuhiko Yamada and Takahiro Nemoto and Miwako Asanuma and Hisashi Honda and Toshio Yamazaki and Hiroshi Hirota},
  title = {Both experimental and theoretical investigations of solid-state 17O NMR for L-valine and L-isoleucine},
  journal = {Solid State Nuclear Magnetic Resonance},
  year = 2006,
}