@misc{indiciae87f63b376eb7,
  title = {Monitoring purchaser expenditure patterns.},
  author = {R C Wilson and M S Gilthorpe},
  doi = {10.1093/imammb/12.3-4.211},
  url = {https://pubmed.ncbi.nlm.nih.gov/8919558/},
  note = {Source identifier: 8919558}
}