@article{6628,
  author = {B. Esry and Chris Greene},
  title = {Low-lying excitations of double Bose-Einstein condensates},
  year = {1998},
  journal = {Physical Review A},
  volume = {57},
  pages = {1265-1271},
  month = {Jan-02-1998},
  issn = {1050-2947},
  doi = {10.1103/PhysRevA.57.1265},
}