Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) EKINAGA Naotaka,Influences of Length of Nipple on Effective Strength of Socket at the Joint of Artificial Graphite Electrodes,Journal of the Ceramic Society of Japan,09145400,The Ceramic Society of Japan,1993,101,1179,1244-1248,https://cir.nii.ac.jp/crid/1390282680254845056,https://doi.org/10.2109/jcersj.101.1244