@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}
}