BIOSPHERIC ENVIRONMENT (ENVIRONMENTAL POLLUTION AND PROTECTION)
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BTBIOSPHERE (NATURAL HISTORY)
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BTENVIRONMENTAL SCIENCES
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UDC504.7
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Descriptor GERBIOSPHÄRE (UMWELTBELASTUNG UND -SCHUTZ)
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Descriptor ENGBIOSPHERIC ENVIRONMENT (ENVIRONMENTAL POLLUTION AND PROTECTION)
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Descriptor FREBIOSPHÈRE (POLLUTION ET PROTECTION DE L'ENVIRONNEMENT)
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Variant GERBELEBTE NATUR (UMWELTBELASTUNG UND -SCHUTZ)
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Variant GERÖKOSPHÄRE (UMWELTBELASTUNG UND -SCHUTZ)
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Variant ENGLIVING NATURE (ENVIRONMENTAL POLLUTION AND PROTECTION)
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Variant ENGECOSPHERE (ENVIRONMENTAL POLLUTION AND PROTECTION)
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Variant ENGBIOSPHERE (ENVIRONMENTAL POLLUTION AND PROTECTION)
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Variant FREÉCOSPHÈRE (POLLUTION ET PROTECTION DE L'ENVIRONNEMENT)
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NTIMPACT ON THE BIOSPHERE, DESTRUCTION OF THE BIOSPHERE (ENVIRONMENTAL PROBLEMS)
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NTBIOSPHERE PROTECTION (ENVIRONMENTAL PROTECTION)
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NTHUMANS AND ENVIRONMENT (ENVIRONMENTAL PROBLEMS)
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RTNATURE CONSERVATION