2003: Development of the national 1:500000 environmental-geological survey information system. Geological Bulletin of China, 22(7): 540-544. DOI: 10.12097/gbc.200307103
    Citation: 2003: Development of the national 1:500000 environmental-geological survey information system. Geological Bulletin of China, 22(7): 540-544. DOI: 10.12097/gbc.200307103

    Development of the national 1:500000 environmental-geological survey information system

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