| Ordering for energy efficient estimation and optimization in sensor networks Recent countries visiting this post |  |
 | 1 | China |
 | 1 | United States |
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 | 1 | Sweden |
| Ordering for energy efficient estimation and optimization in sensor networks Recent countries visiting this post | |
| 1 | China |
| 1 | United States |
| 1 | |
| 1 | Sweden |