@article{CTT100549843,
  author = {R. Morisaki and T. Ono and H. Tanaka and H. Nojiri},
  title = {Thermodynamic Properties and Elementary Excitations in Quantum Sine-Gordon Spin System KCuGaF<sub>6</sub>},
  journal = {J. Phys. Soc. Jpn.},
  year = 2007,
}