@article{oai:shizuoka.repo.nii.ac.jp:00008290,
 author = {原田, 裕貴 and 内山, 秀樹},
 issue = {4},
 journal = {天文教育},
 month = {Jul},
 note = {application/pdf},
 pages = {28--29},
 title = {ドレイクの方程式の推定値からみる大学生の宇宙観},
 volume = {29},
 year = {2017}
}