@article{atruncatedemapproachforspikeandslab,
  title = {A Truncated EM Approach for Spike-and-Slab Sparse Coding},
  author = {Abdul-Saboor Sheikh and Jacquelyn A. Shelton and Jörg Lücke},
  year = {2012},
  eprint = {1211.3589},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1211.3589v3},
}