@article{oai:nagano-nct.repo.nii.ac.jp:00000806,
 author = {丸山, 求},
 journal = {長野工業高等専門学校紀要},
 month = {Dec},
 note = {application},
 pages = {123--132},
 title = {開発度指数},
 volume = {2},
 year = {1967}
}