@article{oai:tsukuba.repo.nii.ac.jp:02001230,
 author = {石井, 英也 and Ishii, Hideya},
 journal = {霞ヶ浦地域研究報告},
 month = {Mar},
 pages = {1--14},
 title = {行方台地における土地利用の変化},
 volume = {1},
 year = {1979},
 yomi = {イシイ, ヒデヤ}
}