@article{oai:rikkyo.repo.nii.ac.jp:00014502,
 author = {宇治田, 富造 and Ujita, Tomizo},
 issue = {2},
 journal = {立教經濟學研究},
 month = {Feb},
 note = {P(論文), 論文, Article},
 pages = {51--88},
 title = {勞働の強化と相對的剩餘價値について},
 volume = {5},
 year = {1952}
}