@inproceedings{nonparametricsparsehierarchicalmodels,
  title = {Nonparametric sparse hierarchical models describe V1 fMRI responses to natural images},
  author = {Vincent Q. Vu and Bin Yu and Thomas Naselaris and Kendrick Kay and Jack Gallant and Pradeep K. Ravikumar},
  year = {2008},
  booktitle = {NeurIPS 2008 12},
  url = {http://papers.nips.cc/paper/3481-nonparametric-sparse-hierarchical-models-describe-v1-fmri-responses-to-natural-images},
}