@article{oai:tohoku.repo.nii.ac.jp:00011612, author = {TOYOSHIMA, Masayuki}, issue = {2}, journal = {The science reports of the Tohoku University. 7th series, Geography}, month = {Dec}, note = {application/pdf, 紀要類 (bulletin), 1548880 bytes}, pages = {114--125}, title = {The Downstream Progressing Degradation Since the Wurm Stage in the Naruse River basin, Northeastern Japan}, volume = {36}, year = {1986} }