@misc{indiciae18fc558c7157,
  title = {The search for the practical.},
  author = {N D Wilkie},
  year = {1974},
  doi = {10.1016/0022-3913(74)90026-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/4612138/},
  note = {Source identifier: 4612138}
}