@article{oai:nagano.repo.nii.ac.jp:00000915,
 author = {谷口, 道興},
 issue = {4},
 journal = {長野大学紀要, ACADEMIC BULLETIN OF NACANO UNIVERSITY},
 month = {May},
 note = {application/pdf},
 pages = {51--59},
 title = {情報システムにおける外部セキュリティ制御},
 volume = {8},
 year = {1987}
}