Global S&T Development Trend Analysis Platform of Resources and Environment
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| 当前检索式 | ((ALL：S. Ma)) |
| 限定条件 | ((文献类型：科技报告)) |
| ANL 1 | Fulton, John W. jwfu 1 | Hoffman, Scott A. sh 1 |
| Hunt, Randall J. rjh 1 | MIT 1 | Ma 1 |
| Niswonger, Richard G 1 | Regan, Robert S. rsr 1 | Risser, Dennis W. dw 1 |
| United States 1 | Walker, John F. jfwa 1 |
