@article{CTT100708310,
  author = {Hayashi, K. and Osada, M. and Kurosu, Y. and Miyajima, Y. and Onaka, S.},
  title = {Log angles: Characteristic angles of crystal orientation given by the logarithm of rotation matrix},
  journal = {Materials Transactions},
  year = 2016,
}

@article{CTT100710827,
  author = {Hayashi Kunio and Osada Motoki and Kurosu Yuki and Yoji Miyajima and Onaka susumu},
  title = {Log Angles: Characteristic Angles of Crystal Orientation Given by the Logarithm of Rotation Matrix},
  journal = {JOURNAL OF THE JAPAN INSTITUTE OF METALS},
  year = 2015,
}