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作者：
DOI: 10.3133/B2004
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摘要:
Natural resources research,2003, 引用: 2
Open-File Report,1996, 引用: 8
Natural resources research,2003, 引用: 3
Open-File Report,2001, 引用: 0
Open-File Report,1994, 引用: 7
Data Series,2007, 引用: 33
Open-File Report,2007, 引用: 11
Open-File Report,2004, 引用: 2
Natural resources research,2003, 引用: 7
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