@misc{indiciaec206bebe239f,
  title = {Some problems in artificial intelligence.},
  author = {J R Ullmann},
  year = {1965},
  doi = {10.1016/s0079-6123(08)60157-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/5862130/},
  note = {Source identifier: 5862130}
}