@article{oai:nagoya.repo.nii.ac.jp:00028952,
 author = {半田, 秀男 and Handa, Hideo},
 journal = {名古屋大学哲学論集},
 month = {Oct},
 pages = {1--22},
 title = {「自然」の概念について},
 volume = {3},
 year = {1995}
}