@book{0070724,
  title = {Software perspectives - the system is the message},
  author = {Peter Freeman},
  year = {1987},
  researchr = {https://researchr.org/publication/0070724},
  cites = {0},
  citedby = {0},
  publisher = {Addison-Wesley},
  isbn = {978-0-201-11969-5},
}