@article{oai:nagoya.repo.nii.ac.jp:00031618, author = {Sano, Kokichi and Okajima, Kazuhisa}, issue = {2}, journal = {Memoirs of the Faculty of Engineering, Nagoya University}, month = {Feb}, pages = {314--318}, title = {Activity coefficient of sulphur in pyrrhotite}, volume = {5}, year = {1954} }