Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
HIRANO Masashige,A STUDY OF A MATHEMATICAL MODEL OF SLOPE DEVELOPMENT,Geographical Review of Japan,00167444,The Association of Japanese Geographers,1966,39,5,324-336,https://cir.nii.ac.jp/crid/1390282679309542400,https://doi.org/10.4157/grj.39.324