@misc{indiciae7134ed8c8ee4,
  title = {Perspective plotting of two-dimensional arrays - PLOT3D, a computer program for a digital plotter},
  author = {Nelson, D. L.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19670021890},
  note = {Source identifier: 19670021890}
}