1. Bont L , Moll P , Ramstein P , Frutig F , Heinimann H and Schweier J. 2022. SEILAPLAN, a QGIS plugin for cable road layout design. Croat. J. For. Eng. 43(2): 241-255.
2. Brown C and Sessions J. 1996. A maximum load path solution for the standing skyline. Forest Science 42(2): 220-227.
3. Carson WW and Mann CN. 1970. A Technique for the solution of skyline catenary equations. USDA Forest Service Research Paper PNW-110.
4. Carson WW. 1975. Analysis of running skyline with drag. USDA Forest Service Research Paper PNW-193.
5. Choi YS , Cho MJ , Mun HS , Kim DH , Cha DS , Han SK and Oh JH. 2018. Analysis on yarding productivity and cost of tower-yarder based on excavator using radio-controlled double clamp carriage. J. Korean Soc. For. Sci. 107(3): 266-277.