@article{CTT100694060,
  author = {T. Iimori and T. Iwahashi and H. Ishii and K. Seki and Y. Ouchi and R. Ozawa and H. Hamaguchi and D. Kim.},
  title = {Orientational Ordering of Alkyl Chain at the Air/liquid Interface of Ionic Liquids Studied by Sum Frequency Vibrational Spectroscopy},
  journal = {Chemical Physics Letters},
  year = 2004,
}