@misc{indiciae369bb9344021,
  title = {Research on coding and decoding method for digital levels},
  author = {Lifen, Tu and Sidong, Zhong},
  year = {2011},
  doi = {10.1364/ao.50.000356},
  url = {https://www.osti.gov/biblio/22036570},
  note = {Source identifier: 22036570}
}