@misc{indiciae1ebbb4e0e18e,
  title = {The matrix algebra program. A conversational language for numerical matrix operations. Part 1 - User's manual},
  author = {Newbold, P. M.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680022329},
  note = {Source identifier: 19680022329}
}