@misc{indiciaedc2796e64867,
  title = {A SYSTEMS APPROACH TO THE VEHICLE PROBLEM.},
  author = {S S GRISWOLD},
  year = {1963},
  doi = {10.1080/00039896.1963.10663517},
  url = {https://pubmed.ncbi.nlm.nih.gov/14047579/},
  note = {Source identifier: 14047579}
}