Fries, Jiri, Hapla, Tomas, Onderkova, Ivana. "APPLICATION OF GPS TECHNOLOGY TO THE BUCKET WHEEL EXCAVATOR." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING (2015): 81-88. https://doi.org/10.5593/sgem2015/b13/s3.011