@misc{indiciaee56d9beee775,
  title = {Air-gap heterostructures},
  author = {Heyn, Ch and Schmidt, M and Schwaiger, S and Stemmann, A and Mendach, S and Hansen, W},
  year = {2011},
  doi = {10.1063/1.3544047},
  url = {https://www.osti.gov/biblio/21518256},
  note = {Source identifier: 21518256}
}