@misc{indiciaecbbc46470018,
  title = {A simple BASIC program for constructing three-dimensional graphs.},
  author = {N D Berman},
  doi = {10.1016/0169-2607(88)90009-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/3383566/},
  note = {Source identifier: 3383566}
}