@article{Steigerwald:2016/j,
  author = "Steigerwald, Heinrich",
  title = "{Probing non-standard gravity with the growth index of cosmological perturbations}",
  doi = "10.22323/1.224.0098",
  journal = "PoS",
  year = 2016,
  volume = "FFP14",
  pages = "098"
}