@article{oai:kanagawa-u.repo.nii.ac.jp:00011866, author = {齊藤, 実 and Saito, Minoru}, issue = {2}, journal = {商経論叢}, month = {Dec}, note = {Article, 論説}, pages = {23--43}, title = {アメリカにおけるトラック輸送産業の生産性分析}, volume = {46}, year = {2010} }