@article{lukas2013catalytic,
  title = {{Catalytic subsurface etching of nanoscale channels in graphite}},
  author = {Maya Lukas and Velimir Meded and Aravind Vijayaraghavan and Li Song and Pulickel M. Ajayan and Karin Fink and Wolfgang Wenzel and Ralph Krupke},
  journal = {Nature Communications},
  year = {2013},
  volume = {4},
  number = {1},
  pages = {1379},
  doi = {10.1038/ncomms2399}
}