@misc{indiciae2ac42c4e8e4e,
  title = {Maintainability methodology and maintenance analyses},
  author = {Beach, R. E. and Ellis, G. F. and Gralow, F. H. and Horseman, J. J. and Kozlowski, F. J.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680000075},
  note = {Source identifier: 19680000075}
}