@misc{indiciaec4df84ea99bc,
  title = {Implicit masking constrained by spatial inhomogeneities.},
  author = {J Yang and W Makous},
  year = {1997},
  doi = {10.1016/s0042-6989(97)00006-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/9274777/},
  note = {Source identifier: 9274777}
}