@misc{indiciae6fab5ef394f7,
  title = {Angular frequency filtering: a basis for pattern decomposition.},
  author = {M L Simas and P C Dodwell},
  year = {1990},
  doi = {10.1163/156856890x00093},
  url = {https://pubmed.ncbi.nlm.nih.gov/2275904/},
  note = {Source identifier: 2275904}
}