@book{0003165,
  title = {Softwarewartung - Management, Organisation und methodische Unterstützung},
  author = {Franz Lehner},
  year = {1991},
  researchr = {https://researchr.org/publication/0003165},
  cites = {0},
  citedby = {0},
  publisher = {Hanser},
  isbn = {978-3-446-16180-1},
}