@misc{1160661,
  author = {Wilma M Osborne},
  title = {Executive guide to software maintenance:},
  year = {1985},
  month = {1985-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.SP.500-130},
  language = {en},
}