@article{oai:nagoya.repo.nii.ac.jp:02001773, author = {ŌHASI, Yosio}, issue = {2}, journal = {Memoirs of the Faculty of Engineering, Nagoya University}, month = {Feb}, pages = {279--283}, title = {Three-Dimentional photoelastic examination of a helical spring}, volume = {9}, year = {1958} }