@article{oai:mie-u.repo.nii.ac.jp:00007201,
 author = {牧原, 義一},
 issue = {1},
 journal = {物理教育},
 month = {Jan},
 note = {application/pdf},
 pages = {19--22},
 title = {方位磁針を利用した磁力線描画教材の開発},
 volume = {62},
 year = {2014}
}