@book{FriebeKujawaUlbricht1993,
  author    = {Dietlinde Friebe and Manfred Kujawa and Gottfried Ulbricht},
  title     = {Ern{\"a}hrung - Umwelt - Gesundheit : Teil 2},
  editor    = {Klaus-Peter Berndt and Erich Sch{\"a}fer},
  isbn      = {3-929757-17-6},
  year      = {1993},
}