@article{783911,
  author = {Y Wu and Lu Deng},
  title = {Ultra Slow Optical Solitons in a Cold Four-State Medium},
  year = {2004},
  number = {93},
  month = {2004-09-28 00:09:00},
  publisher = {Physical Review Letters},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=840184},
  doi = {https://doi.org/10.1103/PhysRevLett.93.143904},
  language = {en},
}