@article{oai:kanagawa-u.repo.nii.ac.jp:00011207,
 author = {北村, 隆之 and Kitamura, Takayuki},
 journal = {商経論叢},
 month = {Mar},
 pages = {11(92)--23(80)},
 title = {The Independent Goods and The Aggregation of Commodities},
 volume = {23(3)},
 year = {1988}
}