@article{Boutkova09,
  title = {Variantendokumentation in Lastenheften: State-of-the-Practice},
  author = {Ekaterina Boutkova},
  year = {2009},
  url = {http://pi.informatik.uni-siegen.de/stt/29_1/01_Fachgruppenberichte/RE/Boutkova.pdf},
  researchr = {https://researchr.org/publication/Boutkova09},
  cites = {0},
  citedby = {0},
  journal = {Softwaretechnik-Trends},
  volume = {29},
  number = {1},
}