@misc{indiciae27f1e06973c9,
  title = {Quantized Hall effect and quantum phase transitions in coupled two-layer electron systems.},
  author = {S He and Das Sarma S and XC Xie},
  year = {1993},
  doi = {10.1103/physrevb.47.4394},
  url = {https://pubmed.ncbi.nlm.nih.gov/10006587/},
  note = {Source identifier: 10006587}
}