@article{CTT100629567,
  author = {Tsuyoshi Michinobu and Yongrong Li and Yusuke Washino and Kimie Murata and Kazuma Tsuboi},
  title = {Origin of Second-Order Nonlinear Optical Effects of Nonpoled Donor-Acceptor Chromophores on Surface},
  journal = {Jpn. J. Appl. Phys.},
  year = 2011,
}