@phdthesis{Hoch89,
  author = {Hoch, Sigrid},
  interhash = {26fcd54239446c65e6a58a5501b4238d},
  intrahash = {be0135a11f03843d990738f05631fd12},
  school = { TH Darmstadt },
  title = { Begriffsverb{\"a}nde mit Anti--Endomorphismus },
  year = { 1989 }
}