@article{6558,
  author = {Binh Do and Jongwhan Cha and D. Elliott and S. Smith},
  title = {Degenerate phase-conjugate four-wave mixing in a nearly-Doppler-free two-level atomic medium},
  year = {1998},
  journal = {Physical Review A},
  volume = {58},
  pages = {3089-3098},
  month = {Jan-10-1998},
  issn = {1050-2947},
  doi = {10.1103/PhysRevA.58.3089},
}