@article{oai:shizuoka.repo.nii.ac.jp:00000833, author = {Nagatani, Takashi}, issue = {6}, journal = {Physical Review E}, month = {Jun}, note = {application/pdf}, pages = {3896--3899}, title = {Crossover scaling in Scheidegger's river-network model}, volume = {47}, year = {1993} }