@misc{indiciae557a313175f5,
  title = {Structural aspects of the coding problem.},
  author = {H Jehle},
  year = {1967},
  doi = {10.1016/0022-5193(67)90205-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/6032802/},
  note = {Source identifier: 6032802}
}