@article{oai:repository.dl.itc.u-tokyo.ac.jp:00018453, author = {吉井, 稔雄}, issue = {1}, journal = {生産研究}, month = {Jan}, pages = {5--6}, title = {調査報告 : 第7回WCTR会議と豪州交通事情の視察}, volume = {48}, year = {1996} }