@article{11755,
  author = {T. Simula and P. Engels and I. Coddington and V. Schweikhard and Eric Cornell and R. Ballagh},
  title = {Observations on Sound Propagation in Rapidly Rotating Bose-Einstein Condensates},
  year = {2005},
  journal = {Physical Review Letters},
  volume = {94},
  month = {2005-03},
  issn = {0031-9007},
  doi = {10.1103/PhysRevLett.94.080404},
}