@article{oai:tsukuba.repo.nii.ac.jp:00036126,
 author = {手塚, 章 and Tezuka, Akira},
 journal = {筑波大学人文地理学研究, Tsukuba studies in human geography},
 month = {Mar},
 pages = {87--123},
 title = {カール・リッターの地理学思想},
 volume = {15},
 year = {1991}
}