The Nonferrous Metals Society of China
Different grain refinement mechanisms of minor zirconium and
cerium in magnesium alloys
YU Kun(余  琨), LI Wen-xian(黎文献), WANG Ri-chu(王日初), ZHANG Shi-Jun(张世军)
Transactions of Nonferrous Metals Society of China . 2007, (Special 1): 405 -408 .