@inproceedings{measuringinvariancesindeepnetworks,
  title = {Measuring Invariances in Deep Networks},
  author = {Ian Goodfellow and Honglak Lee and Quoc V. Le and Andrew Saxe and Andrew Y. Ng},
  year = {2009},
  booktitle = {NeurIPS 2009 12},
  url = {http://papers.nips.cc/paper/3790-measuring-invariances-in-deep-networks},
}