de
333.9 Andere natürliche Ressourcen
333.95 Biologische Ressourcen
333.9516 Biodiversität—Erhaltung, . . . 333.952 Einzelne Arten biologischer Ressourcen 333.953 Pflanzen und Mikroorganismen 333.954 Tiere 333.955 Wirbellose 333.956 Fische 333.957 Reptilien und Amphibien 333.958 Vögel 333.959 Einzelne Säugetierarten
Dewey Decimal Classification
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