Di Fulvio, F. , Abbas, D., Spinelli, R., Acuna, M., Ackerman, P., & Lindroos, O. (2017). Benchmarking Technical and Cost Factors in Forest Felling and Processing Operations in Different Global Regions during the Period 2013-2014. International Journal of Forest Engineering, 1-12. 10.1080/14942119.2017.1311559.