Global S&T Development Trend Analysis Platform of Resources and Environment
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| 限定条件 | ((作者：Sando, Steven K. sksando@usgs.gov) AND (作者：Vecchia, Aldo V.) AND (来源平台：US Geological Survey (USGS)) AND (文献类型：科技报告) AND (专题：地球科学)) |
| Sando, Steven K. sks 3 | Vecchia, Aldo V. 3 | Barnhart, Elliott P. 2 |
| Lorenz, David L. lor 2 | Clark, Melanie L. ml 1 | Sando, Thomas R. tsa 1 |
