@incollection{RitterKraatz2011,
  author    = {Ritter, Guido and Kraatz, Alwine},
  title     = {Regulations and Requirements},
  series = {Bart, Hans-J{\"o}rg / Pilz, Stephan (Hrsg.) Industrial Scale Natural Products Extraction},
  booktitle = {Bart, Hans-J{\"o}rg / Pilz, Stephan (Hrsg.) Industrial Scale Natural Products Extraction},
  edition   = {1. Auflage},
  publisher = {Wiley-VCH},
  address   = {Weinheim},
  isbn      = {3-527-32504-2},
  pages     = {269 -- 290},
  year      = {2011},
  language  = {en}
}
@incollection{KraatzEnglert2016,
  author    = {Kraatz, Alwine and Englert, Heike},
  title     = {Vegane Lebensmittel/funktionelle Lebensmittel - lebensmittelrechtliche Aspekte, Kennzeichnungen und Zertifizierungen},
  series = {Heike Englert, Sigrid Siebert},
  booktitle = {Heike Englert, Sigrid Siebert},
  edition   = {1. Auflage},
  publisher = {Haupt UTB},
  address   = {Bern},
  isbn      = {978-3-8252-4402-6},
  pages     = {215 -- 233},
  year      = {2016},
  language  = {de}
}
@incollection{RitterKraatz2011,
  author    = {Ritter, Guido and Kraatz, Alwine},
  title     = {REGULATIONS AND REQUIREMENTS in: Industrial Scale Natural Products Extraction},
  year      = {2011},
  abstract  = {Expert account of industrial process technologies used to recover natural products from plant material, focussing on the engineering aspects of extractions, both up- and down-stream processing and featuring biotransformation, economic aspects and regulations.},
  language  = {en}
}