O. Einenkel

"Novel 20 MW downhill conveyor system using three-level converters"

Jose Rodriguez, Jorge Pontt, Alejandro Weinstein, 2001 .

The new conveying system J-1 Norte in the copper ore opencast mine Chuquicamata, Chile, with special consideration of the electrotechnical equipment

W. Pelzer, B. Richter, O. Einenkel, 1992 .