@article{CTT100598842,
  author = {H. Ohta and S. Okubo and N. Souda and M. Tomoo and T. Sakurai and T. Yoshida and E. Ohmichi and M. Fujisawa and H. Tanaka and R. Kato},
  title = {Development and Applications of High-Frequency ESR up to 55 T},
  journal = {Appl. Magn. Reson.},
  year = 2009,
}