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Beitrge zur Kenntniss der fossilen Bacillarien Ungarns BHL. Beitrge zur Kenntniss der fossilen Bacillarien Ungarns bearbeitet durch Josef Pantocsek Text Illustration biodiversitylibrary org title Pantocsek Josef Biodiversity Heritage Library Check categories October PDold books Beitrge zur Kenntniss der fossilen Bacillarien