@misc{indiciaefa7867701677,
  title = {Quantum Hall effect in double-quantum-well systems.},
  author = {S He and XC Xie and Das Sarma S and FC Zhang},
  year = {1991},
  doi = {10.1103/physrevb.43.9339},
  url = {https://pubmed.ncbi.nlm.nih.gov/9996622/},
  note = {Source identifier: 9996622}
}