@article{CTT100672712,
  author = {Kazumasa Aoki and Brian F. Windley and Keiko Sato and Yusuke Sawaki and Takahiro Kawai and Takazo Shibuya and Hidenori Kumagai and Katsuhiko Suzuki and Shigenori Maruyama},
  title = {Chemical composition and K–Ar age of Phengite from Barrovian metapelites, Loch Leven, Scotland},
  journal = {The Journal of the Geological Society of Japan},
  year = 2013,
}

@article{CTT100611818,
  author = {Yusuke Sawaki and Takahiro Kawai and Takazo Shibuya and Miyuki Tahata and Soichi Omori and Tsuyoshi Komiya and Naohiro Yoshida and Takafumi Hirata and Takeshi Ohno and Brian F Windley and Shigenori Maruyama},
  title = {87Sr/86Sr chemostratigraphy of Neoproterozoic Dalradian carbonates of Scotland: constraints on the depositional age of the Port Askaig tillite},
  journal = {Precambrian Research},
  year = 2010,
}