Advanced condition monitoring method for high voltage overhead lines based on visual inspectionManninen, Henri; Kilter, Jako; Landsberg, Mart2018 IEEE Power & Energy Society General Meeting (PESGM 2018) : Portland, Oregon, USA, 5-10 August 20182018 / p. 2321-2325 : ill https://doi.org/10.1109/PESGM.2018.8586498