@article{CTT100630795,
  author = {S. Nomura and K. Tsuboi and K. Ito and H. Tsutsui and SHUNJI IIO and A. Ninomiya and R. Shimada},
  title = {Acoustic Emission in a Superconducting Force-Balanced Helical Coil},
  journal = {IEEE Trans. Appl. Supercond.},
  year = 2011,
}