@article{CTT100632780,
  author = {Seiji Kojima and Yu Matsuda and HITOSHI KAWAJI and Masao Kodama and TOORU ATAKE},
  title = {Boson Peaks and Excess Heat Capacity of Lithium Borate Glasses},
  journal = {CHINESE JOURNAL OF PHYSICS},
  year = 2011,
}

@article{CTT100632777,
  author = {Yu Matsuda and HITOSHI KAWAJI and TOORU ATAKE and Yasuhisa Yamamura and Shuma Yasuzuka and Kazuya Saito and Seiji Kojima},
  title = {Non-Debye excess heat capacity and boson peak of binary lithium borate glasses},
  journal = {JOURNAL OF NON-CRYSTALLINE SOLIDS},
  year = 2011,
}