Staff transportation two way on the belt conveyor

by Yýlmaz, A. I., Büyükyýldýz, G., Ekici, A., Çalýk, M., Önder, Ö., Aksoy, C. O.
Source: 1. Acta Montanistica Slovaca 1. Roč. 18, č. 3 (2013), s. 141-150 1. 1335-1788