@misc{indiciae1e5f07717e6e,
  title = {SINDA, Systems Improved Numerical Differencing Analyzer},
  author = {Fink, L. C. and Pan, H. M. Y. and Ishimoto, T.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720000735},
  note = {Source identifier: 19720000735}
}