• Leitner, S.; Perez Estevez, M.; Renzi, M.; Vidoni, R. Tower yarder energy efficiency study in logging operations: Hydraulic vs. hybridized drivetrain. In Proceedings of the 9th International Conference on Sustainable Energy Engineering and Application (ICSEEA 2021), Online, 12–14 October 2021; Research Center for Electrical Power and Mechatronics, Indonesian Institute of Sciences (RCEPM-LIPI): Bandung, Indonesia, 2021.