推荐引用方式 GB/T 7714 |
Brownfield, Michael E. mbrownfield@usgs.gov,Schenk, Christopher J. schenk@usgs.gov,Klett, Timothy R. tklett@usgs.gov,et al. Assessment of coalbed gas resources of the Kalahari Basin Province of Botswana, Zimbabwe, and Zambia, Africa, 2016:U.S. Geological Survey,2017.
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