@misc{indiciae1826ff674917,
  title = {Interactive analysis program activity},
  author = {Young, J. P. and Frisch, H. P. and Jones, G. K. and Walker, W. J.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800010889},
  note = {Source identifier: 19800010889}
}