GUIDES IN NATURAL SCIENCES
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BTGUIDES + GUIDEBOOKS (DOCUMENT TYPE)
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UDC(036)%5
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Descriptor GERNATURWISSENSCHAFTLICHE FÜHRER
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Descriptor ENGGUIDES IN NATURAL SCIENCES
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Descriptor FREGUIDES EN SCIENCES NATURELLES
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NTGEOLOGICAL GUIDES (DOCUMENT TYPE)
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NTPALAEONTOLOGICAL GUIDES
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NTPLANT GUIDES (DOCUMENT TYPE)
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NTANIMAL GUIDES