推荐引用方式 GB/T 7714 |
Schenk, Christopher J. schenk@usgs.gov,Brownfield, Michael E. mbrownfield@usgs.gov,Tennyson, Marilyn E. tennyson@usgs.gov,et al. Assessment of Permian coalbed gas resources of the Karoo Basin Province, South Africa and Lesotho, 2016:U.S. Geological Survey,2017.
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