@techreport{HoefnerMentlMoelleretal.2021,
  author    = {Peter H{\"o}fner and S. Mentl and Bernhard M{\"o}ller and W. Scholz},
  title     = {Requirements in feature algebra},
  institution = {Fakult{\"a}t f{\"u}r Angewandte Informatik},
  series    = {Reports / Technische Berichte der Fakult{\"a}t f{\"u}r Angewandte Informatik der Universit{\"a}t Augsburg},
  number    = {2010-12},
  pages     = {10},
  year      = {2021},
}