| _ | aspen | _ |
|---|---|---|
| Detecting European | aspen | (Populus tremula L.) in Boreal Forests Using Airborne Hyperspectral and Airborne Laser Scanning Data |
| Detection of European | aspen | (Populus tremula L.) Based on an Unmanned Aerial Vehicle Approach in Boreal Forests |
| Regional Assessment of | aspen | Change and Spatial Variability on Decadal Time Scales |