TY - JOUR TI - An investigation into the performance of hss drills when drilling commercially pure molybdenum AU - GÖKÇE, H. AU - YAVUZ, M. AU - ÇİFTÇİ, Ä. JO - Sigma Journal of Engineering and Natural Sciences PY - 2020 VL - 38 SP - 61 EP - 70 DO - ER -