Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KIM Soo Young and KOIWAI Katsutada and HOSHINO Kazunori and KUSAKAWA Takaji,Formation of Surface Solidification Layer in Spheroidal Graphite Cast Iron,THE JOURNAL OF THE JAPAN FOUNDRYMEN'S SOCIETY,00214396,Japan Foundry Engineering Society,1972,44,3,191-198,https://cir.nii.ac.jp/crid/1390282681483878400,https://doi.org/10.11279/imono.44.3_191