Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KUSAKAWA Takaji,Calcium Spheroidal Graphite Cast Iron,THE JOURNAL OF THE JAPAN FOUNDRYMEN'S SOCIETY,00214396,Japan Foundry Engineering Society,1959,31,5,509-520,https://cir.nii.ac.jp/crid/1390282681484913792,https://doi.org/10.11279/imono.31.5_509