Trung, Tran Bao, et al. “EFFECT OF ULTRASONIC-ASSISTED COMPACTION ON DENSITY AND HARDNESS OF Cu-CNT NANOCOMPOSITES SINTERED BY CAPSULE-FREE HOT ISOSTATIC PRESSING”. Acta Metallurgica Slovaca, vol. 23, no. 1, Mar. 2017, pp. 30-36, doi:10.12776/ams.v23i1.861.