@article{berger2016ultrathin,
  title = {{Ultra-thin graphene–polymer heterostructure membranes}},
  author = {C. N. Berger and M. Dirschka and A. Vijayaraghavan},
  journal = {Nanoscale},
  year = {2016},
  volume = {8},
  number = {41},
  pages = {17928--17939},
  doi = {10.1039/c6nr06316k}
}