@ARTICLE{rupp,
  author  = {M. Rupp and A. Tkatchenko and K.-R. M\"uller and O. A. von Lilienfeld},
  title   = {Fast and accurate modeling of molecular atomization energies with machine learning},
  journal = "Physical Review Letters",
  year    = 2012,
  volume  = 108,
  pages   = 058301
}