The Nonferrous Metals Society of China
Effects of microalloying on grain refinement behaviors and   hardness properties of wedge-shaped Al-Mg-Mn castings
LIU En-ke(刘恩克), YANG Fu-bao(杨福宝), XU Jun(徐 骏), SHI Li-kai(石力开)
Transactions of Nonferrous Metals Society of China . 2007, (Special 1): 308 -313 .