QUANTITATIVE CLASSIFICATION PROPOSALS (PETROGRAPHY)
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BTGENERAL PETROGRAPHY + CLASSIFICATION OF ROCKS
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UDC552.21
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Descriptor GERQUANTITATIVE KLASSIFIKATIONSVORSCHLÄGE (PETROGRAPHIE)
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Descriptor ENGQUANTITATIVE CLASSIFICATION PROPOSALS (PETROGRAPHY)
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Descriptor FRECLASSIFICATION/QUALITATIVE, PROPOSITIONS (PÉTROGRAPHIE)