@article{5810,
  author = {Deborah Jin and J. Ensher and M. Matthews and Carl Wieman and Eric Cornell},
  title = {Collective Excitations of a Bose-Einstein Condensate in a Dilute Gas},
  year = {1996},
  journal = {Physical Review Letters},
  volume = {77},
  pages = {420-423},
  month = {1996-01},
  issn = {0031-9007},
  doi = {10.1103/PhysRevLett.77.420},
}