@article{oai:nagano.repo.nii.ac.jp:00000703,
 author = {北澤, 博},
 issue = {1},
 journal = {長野大学紀要, ACADEMIC BULLETIN OF NACANO UNIVERSITY},
 month = {Jun},
 note = {application/pdf},
 pages = {111--122},
 title = {EDIをめぐる諸問題の研究},
 volume = {12},
 year = {1990}
}