@article{LiaoKoppRichteretal.2011,
  author    = {Y. C. Liao and Thilo Kopp and Christoph Richter and A. Rosch and Jochen Mannhart},
  title     = {Metal-insulator transition of the LaAlO3-SrTiO3 interface electron system},
  journal   = {Physical Review B},
  volume    = {83},
  number    = {7},
  pages     = {075402},
  doi       = {10.1103/physrevb.83.075402},
  year      = {2011},
}