@misc{c2015a,
  title = {Raman spectroscopy as probe of nanometre-scale strain variations in graphene},
  author = {C. Neumann, S. Reichardt, P. Venezuela, M. Drögeler, L. Banszerus, M. Schmitz, K. Watanabe, T. Taniguchi, F. Mauri, B. Beschoten, S. V. Rotkin, C. Stampfer},
  publisher = {Springer Science and Business Media LLC},
  year = {2015-09-29},
  keywords = {Confocal Raman spectroscopy, graphene, crystalline quality}
}