@article{oai:kutarr.kochi-tech.ac.jp:00000752,
 author = {岡本, 博公},
 issue = {1},
 journal = {經濟論叢},
 month = {Jul},
 note = {京都大学経済学会, 紀要},
 pages = {21--49},
 title = {建設業と棒鋼取引},
 volume = {180},
 year = {2007}
}