@article{oai:tsukuba.repo.nii.ac.jp:00015555,
 author = {佐藤, 勤},
 journal = {筑波フォーラム},
 month = {Mar},
 pages = {64--65},
 title = {＜随筆・随想＞未知への挑戦},
 volume = {79},
 year = {2008}
}