@incollection{Qian11, author = {Anthony Ramirez and Ma Qian}, title = {Ultrasonic Grain Refinement of Magnesium and Its Alloys}, booktitle = {Magnesium Alloys}, publisher = {IntechOpen}, address = {Rijeka}, year = {2011}, editor = {Frank Czerwinski}, chapter = {8}, doi = {10.5772/12958}, url = {https://doi.org/10.5772/12958} }