Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SHIBATA Kizo and OTSUKA Ichiro and ANADA Shoichi and YAMABE Masao and KUSABIRAKI Kazuo,Effeet of precipitation heat treatment on extrudability of ingtos of 6063 alloy,Journal of Japan Institute of Light Metals,04515994,The Japan Institute of Light Metals,1976,26,7,327-335,https://cir.nii.ac.jp/crid/1390282681316619392,https://doi.org/10.2464/jilm.26.327