@article{oai:sapporo-u.repo.nii.ac.jp:00001738,
 author = {海保, 幸世 and カイホ, ユキヨ and Kaiho, Yukiyo},
 issue = {4},
 journal = {経済と経営},
 month = {Mar},
 note = {P},
 pages = {713--760},
 title = {国際運輸と貿易外収支(馬場元二先生古稀記念号)},
 volume = {21},
 year = {1991}
}