@article{oai:tohoku.repo.nii.ac.jp:00004589,
 author = {Sugawara, Ayumu},
 journal = {Discussion Papers (Tohoku Management & Accounting Research Group)},
 month = {Mar},
 note = {紀要類(bulletin)},
 title = {Rio Tinto Company's investments in Australia in the 1950s},
 year = {2009}
}