@article{oai:bunkyo.repo.nii.ac.jp:00006119,
 author = {有元, 石太郎},
 journal = {研究紀要, The Annual Reports of Studies},
 month = {Nov},
 pages = {22--31},
 title = {幼児の疑問と自然観察指導との関係},
 volume = {7},
 year = {1963}
}