@article{oai:tokyo-metro-u.repo.nii.ac.jp:00002679, author = {キクチ, タカオ and Kikuchi, Takao}, issue = {4}, journal = {Geographical Reports of Tokyo Metropolitan University}, month = {}, pages = {23--32}, title = {Geomorphic development of the kashima lowland, ibaragi prefecture}, year = {1969} }