@article{oai:kanazawa-u.repo.nii.ac.jp:00005247,
 author = {Okamoto, Hiroshi and 岡本, 啓志},
 journal = {金沢大学教育学部紀要.人文科学・社会科学・教育科学編, Bulletin of the Faculty of Education. the Humanities, Social and Educational Science},
 month = {Dec},
 pages = {63--76},
 title = {観光地周辺のリンゴ栽培 : 群馬県渋川市の場合},
 volume = {19},
 year = {1970}
}