[101].  Holopainen, M., Kankare, V., Vastaranta, M., Liang, X., Lin, Y., Vaaja, M., Yu, X., Hyyppä, J., Hyyppä, H., Kaartinen, H., Kukko, A., Tanhuanpää, T. & Alho, P. Tree mapping using airborne, terrestrial and mobile laser scanning – A case study in a heterogen....  Urban Forestry & Urban Greening.  12 (4).  546-553.  2013. 

[102].  Yu, X., Liang, X., Hyyppä, J., Kankare, V., Vastaranta, M. & Holopainen, M. Stem biomass estimation based on stem reconstruction from terrestrial laser scanning point clouds.  Remote Sensing Letters..  4 (4).  344-353.  2012.  PDF: https://www.tandfonline.com/doi/pdf/10.1080/2150704X.2012.734931?needAccess=true.

[103].  Liang, X., Hyyppä, J., Kaartinen, H., Holopainen, M. & Melkas, T. Detecting Changes in Forest Structure over Time with Bi-Temporal Terrestrial Laser Scanning Data.  ISPRS International Journal of Geo-Information..  1 (3).  242-255.  2012. 

[104].  Liang, X., Litkey, P., Hyyppa, J., Kaartinen, H., Vastaranta, M. & Holopainen, M. Automatic Stem Mapping Using Single-Scan Terrestrial Laser Scanning.  IEEE Transactions on Geoscience and Remote Sensing.  50 (2).  661 - 670.  2012.