@misc{indiciae73980cf84570,
  title = {Optical bistability in a two-dimensional nonlinear superlattice.},
  author = {B Xu and NB Ming},
  year = {1993},
  doi = {10.1103/physrevlett.71.1003},
  url = {https://pubmed.ncbi.nlm.nih.gov/10055424/},
  note = {Source identifier: 10055424}
}