TY - JOUR TI - Performance of An Si Engine with Different Spark Plugs, Vcr and H2 Addition AU - BAŞ, O. AU - AKAR, M.A. AU - SERİN, H. AU - ÖZCANLI, M. JO - Sigma Journal of Engineering and Natural Sciences PY - 2020 VL - 38 SP - 1951 EP - 1961 DO - ER -