TY - JOUR TI - Analysis of surface roughness, sound level, vibration and current when machining AISI 1040 steel AU - ÅžAHİNOÄžLU, A. AU - GÜLLÜ, A. AU - ÇİFTÇİ, Ä. JO - Sigma Journal of Engineering and Natural Sciences PY - 2019 VL - 37 SP - 423 EP - 437 DO - ER -