@article{nonnegativetensorfactorizationfor,
  title = {Nonnegative Tensor Factorization for Directional Blind Audio Source Separation},
  author = {Noah D. Stein},
  year = {2014},
  eprint = {1411.5010},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1411.5010v2},
}