@article{CTT100608555,
  author = {Kazuhiko Yamada and Tadashi SHIMIZU and Shinobu Ohki and Toshio Yamazaki},
  title = {A solid-state 17O NMR study of L-phenylalanine and L-valine hydrochlorides},
  journal = {Magnetic Resonance in Chemistry.},
  year = 2008,
}

@article{CTT100608557,
  author = {Kazuhiko Yamada and Daisuke Hashizume and Tadashi SHIMIZU and Shinobu Ohki and Shigeyuki Yokoyama},
  title = {A solid-state 17O NMR, X-ray, and quantum chemical study of N--Fmoc-protected amino acids},
  journal = {Journal of Molecular Structure},
  year = 2008,
}

@article{CTT100608565,
  author = {Kazuhiko Yamada and Tadashi SHIMIZU and Toshio Yamazaki and Shinobu Ohki},
  title = {Determination of the orientations for the 17O NMR tensors in a polycrystalline L-alanine hydrochloride},
  journal = {Solid State Nuclear Magnetic Resonance.},
  year = 2008,
}