@article{oai:soar-ir.repo.nii.ac.jp:00013969,
 author = {宮坂,  正治},
 journal = {信州大学纎維学部研究報告},
 month = {Dec},
 pages = {181--191},
 title = {複占と価格決定},
 volume = {9},
 year = {1959}
}