@article{ZhuMalsburg2009,
  author    = {Jianhui Zhu and Christoph von der Malsburg},
  title     = {Grouping variables in an underdetermined system for invariant object recognition},
  journal   = {BMC neuroscience},
  volume    = {10(Suppl 1)},
  number    = {P308},
  doi       = {10.1186/1471-2202-10-S1-P308},
  year      = {2009},
}