TY - JOUR TI - Technical and economical comparison of hydraulic and traction elevators with VDI 2225 method AU - KAYA, R. AU - AZELOĞLU, C.O. JO - Sigma Journal of Engineering and Natural Sciences PY - 2024 VL - 42 SP - 1325 EP - 1335 DO - 10.14744/sigma.2024.00105 ER -