@article{4709,
  author = {Fei Zhou and L. Rosenberg},
  title = {Low-frequency expansions for laser-assisted collisions},
  year = {1991},
  journal = {Physical Review A},
  volume = {43},
  pages = {1336-1344},
  month = {Jan-02-1991},
  issn = {1050-2947},
  url = {http://link.aps.org/doi/10.1103/PhysRevA.43.1336},
  doi = {10.1103/PhysRevA.43.1336},
}