Columbia subject headings:
Harvard subject headings:
Bündnis 90/Die Grünen--Language.
Communication in politics.
Debates and debating in mass media.
German language--Discourse analysis.
German language--Political aspects.
Mass media and language.
Princeton subject headings:
Crops--Genetic engineering--Emvironmental aspects.
Genetic engineering--Public opinion.
Mass media and language.
Semantics.