@article{CTT100612166,
  author = {Ken-ichi Sasaki and Riichiro Saito and M. S. Dresselhaus and Shuichi Murakami and Kazuyuki Takai and Takanori Mori and Toshiaki Enoki},
  title = {Kohn Anomalies in Graphene Nanoribbons},
  journal = {Phys. Rev. B},
  year = 2009,
}