Peciar, P.; Ružinský, R.; Guštafík, A.; Karľová, M.; Čierny, M.; Fekete, R.; Peciar, M. STUDY OF SAMPLES STRENGTH OF MATERIAL FORMED BY THE PROCESSES OF COMPACTION, EXTRUSION AND TUMBLING GRANULATION. Acta Polytech 2019, 59, 490-497.