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By: Naturhistorischer Verein der Preussischen Rheinlande und Westfalens.

Publication info: Bonn

Holding Institution: Multiple institutions

Subjects: aardwetenschappen bescherming Botany duitsland Earth sciences Geologie Geology Germany Mil A Natural history Nature Nature conservation Nature Management (General) natuur Natuurbeheer (algemeen) natuurbescherming Natuurlijke historie Plantkunde Protection Societies, etc Zoology