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2. Regulating Jig Discharge by Means of Radio-Isotopes;Bartelt,1962
3. Entwicklungstendenzen in den Steinkohlenaufbereitung seit den finfzieger Jahren, Part 1;Bartelt;Aufbereitungs Technik.,1987
4. The Boss 2000 automatic products discharge unit as a basis for the AS-2000 complex system to control a coal preparation process in air pulsator jigs;Bedkowski,2002
5. Control of coal preparation in jigs;Cierpisz,2012