@article{1018,
  author = {I. Coddington and P. Engels and V. Schweikhard and Eric Cornell},
  title = {Observation of Tkachenko Oscillations in Rapidly Rotating Bose-Einstein Condensates},
  year = {2003},
  journal = {Physical Review Letters},
  volume = {91},
  month = {2003-09},
  issn = {0031-9007},
  doi = {10.1103/PhysRevLett.91.100402},
}