Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kinji Hirai and Hidetoshi Somekawa and Yorinobu Takigawa and Kenji Higashi,Effects of Ca and Sr addition on mechanical properties of a cast AZ91 magnesium alloy at room and elevated temperature,Materials Science and Engineering: A,0921-5093,Elsevier BV,2005-08,403,1-2,276-280,https://cir.nii.ac.jp/crid/1362825895045585792,https://doi.org/10.1016/j.msea.2005.05.028