| 标题 |
Monitoring US agriculture: the US Department of Agriculture, National Agricultural Statistics Service, Cropland Data Layer Program |
| 网址 | |
| DOI | |
| 其它 |
期刊:Geocarto International 作者:C. Boryan; Zhengwei Yang; R. Mueller; M. Craig 出版日期:2011-04-14 |
| 求助人 | |
| 下载 |
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(2025-6-4)