著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Takahashi, S. K. and Mark, R.",Photoelastic investigation of stress concentrations in sphere-cylinder transition regions : including a comparison of results from photoelastic and finite element analyses,,Naval Civil Engineering Laboratory,1968,NCEL technical report,,,,https://cir.nii.ac.jp/crid/1130282272877195136