TY - Journal of Shandong University(Engineering Science) A1 - ZHANG Qiang1, LI Na1, 2, LI Guo-xiang1 T1 - Three-way catalyst for a natural-gas engine Y1 - 2010-08-16 JF - Journal of Shandong University(Engineering Science) JO - Journal of Shandong University(Engineering Science) SP - 121 EP - 124 VL - 40 IS - 4 UR - http://gxbwk.njournal.sdu.edu.cn N1 - ER -