Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yokoya N.,Fractal‐based analysis of 3D natural shapes and its application to terrain modeling,"Trans. I.E.I.C.E., (D), Japan",,,1987,70,12,2605,https://cir.nii.ac.jp/crid/1370298338840804994,