@book{StrassnerLukasLoes2010,
  author    = {Strassner, C and Lukas, M and L{\o}es, A-K},
  title     = {Certification of public organic procurement in Denmark, Finland, Italy and Norway as compared to Germany. ipopy discussion paper 5/2010},
  edition   = {Vol. 5 No. 103/2010},
  address   = {Norwegen},
  isbn      = {ISBN 978-82-17-006},
  pages     = {76 S},
  year      = {2010},
  language  = {en}
}
@book{SchoenbrodtSchinkowskiStrassneretal.2010,
  author    = {Sch{\"o}nbrodt, C and Schinkowski, N and Strassner, C and Hollmann, K and Ibing, S and Ross, A and Lukas, M},
  title     = {Einsatz von Hefeextrakt in Bio-Lebensmitteln. [Application of yeast extract in organic food]. Schlussbericht des Forschungsprojektes 08OE073 des Bundesprogramms {\"O}kologischer Landbau (B{\"O}L)},
  pages     = {44 S},
  year      = {2010},
  language  = {en}
}
@incollection{IbingHollmannRossetal.2010,
  author    = {Ibing, S and Hollmann, K and Ross, A and Lukas, M and Sch{\"o}nbrodt, C and Schinkowski, N and Strassner, C},
  title     = {Yeast Extracts in Organic Products. News and Views from the Organic Food Sector. [Poster] und Abstracts der 23. VH-Hefetagung Fortschritt in Wissenschaft und Technik der Hefeproduktion, 26-27.04.2010, Wien, {\"O}sterreich},
  address   = {Wien, {\"O}sterreich},
  pages     = {6 S},
  year      = {2010},
  language  = {en}
}
@article{HollmannIbingRossetal.2010,
  author    = {Hollmann, K and Ibing, S and Ross, A and Lukas, M and Strassner, C},
  title     = {Hefeextrakt im Visier},
  series = {UGB-Forum},
  journal   = {UGB-Forum},
  number    = {3/10},
  pages     = {S. 152 -- 153},
  year      = {2010},
  language  = {de}
}
@incollection{LukasStrassner2010,
  author    = {Lukas, M and Strassner, C},
  title     = {School food supply in North Rhine-Westphalia - Analysis of the current situation, S. 85-86 Proceedings of a seminar held at Aalborg University, Copenhagen Institute of Technology, Denmark,November 25th-26th, 2009. Proceedings zu: iPOPY-Foodprint conference 2009, Copenhagen Institute of Technology, Denmark, November 25th-26th, 2009. ICROFS, International Centre for Research in Organic Farming Systems, Tjele, Denmark.},
  series = {Mikkelsen BE, He C, Mikkola M, Nielsen T \& Nymoen LL, Hrsg. : Novel Strategies for Climate Mitigation, Sustainability and Healthy Eating in Public Foodscapes.},
  booktitle = {Mikkelsen BE, He C, Mikkola M, Nielsen T \& Nymoen LL, Hrsg. : Novel Strategies for Climate Mitigation, Sustainability and Healthy Eating in Public Foodscapes.},
  isbn      = {ISBN 978-87-92499-},
  pages     = {101},
  year      = {2010},
  language  = {en}
}
@incollection{IbingRossHollmannetal.2011,
  author    = {Ibing, S and Ross, A and Hollmann, K and Lukas, M and Dressler, C and Schinkowski, N and Strassner, C},
  title     = {Yeast extract in organic food and its authenticity according to organic producers, Institute of Chemical Technology, ICT Prague Press},
  series = {Pulkrabov{\´a} J, Tomaniov{\´a} M, Kahl J \& Haj¨lov{\´a} J, Hrsg.: Book of Abstracts First International Conference on Organic Food Quality and Health, Prag, Tschechische Republik, 18.-20.05.2011},
  booktitle = {Pulkrabov{\´a} J, Tomaniov{\´a} M, Kahl J \& Haj¨lov{\´a} J, Hrsg.: Book of Abstracts First International Conference on Organic Food Quality and Health, Prag, Tschechische Republik, 18.-20.05.2011},
  address   = {Prag},
  isbn      = {978-80-7080-779-8},
  pages     = {99},
  year      = {2011},
  language  = {en}
}
@incollection{StrassnerLukas2011,
  author    = {Strassner, C and Lukas, M},
  title     = {Zertifizierung von Außer-Haus-Verpflegung - Offizielle Statements und Untersuchungsdaten einiger europ{\"a}ischer Zertifizierungsstellen},
  series = {Leithold G, Becker K, Brock C, Fischinger S, Spiegel A-K, Spory K, Wilbois K-P, Williges U, Hrsg.: Es geht ums Ganze: Forschen im Dialog von Wissenschaft und Praxis, Beitr{\"a}ge zur 11. Wissenschaftstag},
  booktitle = {Leithold G, Becker K, Brock C, Fischinger S, Spiegel A-K, Spory K, Wilbois K-P, Williges U, Hrsg.: Es geht ums Ganze: Forschen im Dialog von Wissenschaft und Praxis, Beitr{\"a}ge zur 11. Wissenschaftstag},
  publisher = {Dr. K{\"o}ster},
  address   = {Berlin},
  pages     = {376},
  year      = {2011},
  language  = {de}
}
@incollection{LukasStrassner2011,
  author    = {Lukas, M and Strassner, C},
  title     = {Expertenmeinungen zur Integration umweltfreundlicher und sozialer Bestrebungen in der Gemeinschafts-und Betriebsverpflegung},
  series = {DGE e.V. Hrsg.: Proceedings of the German Nutrition Society Abstractband zum 48. Wissenschaftlichen Kongress, Vol. 15},
  booktitle = {DGE e.V. Hrsg.: Proceedings of the German Nutrition Society Abstractband zum 48. Wissenschaftlichen Kongress, Vol. 15},
  isbn      = {978-3-88749-221-2},
  pages     = {19},
  year      = {2011},
  language  = {de}
}
@article{LukasStrassnerLoes2011,
  author    = {Lukas, M and Strassner, C and L{\o}es, A-K},
  title     = {A need for harmonization across Europe? Certification of organic catering.},
  series = {Ecology \& Farming},
  journal   = {Ecology \& Farming},
  number    = {Nr. 5},
  pages     = {29 -- 31},
  year      = {2011},
  language  = {en}
}
@article{LukasLoesNoeltingetal.2012,
  author    = {Lukas, M and L{\o}es, A-K and N{\"o}lting, B and Strassner, C},
  title     = {School meals. How to increase organic food consumption in schools.},
  series = {Ecology \& Farming},
  journal   = {Ecology \& Farming},
  number    = {Nr. 2},
  pages     = {24 -- 26},
  year      = {2012},
  language  = {mul}
}