@article{CTT100714501,
  author = {H. Tanaka and N. Kurita and M. Okada and E. Kunihiro and Y. Shirata and K. Fujii and H. Uekusa and A. Matsuo and K. Kindo and H. Nojiri},
  title = {Almost Perfect Frustration in the Dimer Magnet Ba<sub>2</sub>CoSi<sub>2</sub>O<sub>6</sub>Cl<sub>2</sub>},
  journal = {J. Phys. Soc. Jpn.},
  year = 2014,
}