@article{oai:nagano-nct.repo.nii.ac.jp:00000717,
 author = {大川, 信},
 journal = {長野工業高等専門学校紀要},
 month = {Feb},
 note = {application},
 pages = {111--126},
 title = {H.D.Thoreauの自然観 : その二重性について},
 volume = {6},
 year = {1976}
}