@article{oai:tsukuba.repo.nii.ac.jp:00020029, author = {鈴木, 勉 and SUZUKI, Tsutomu and Watanabe, Yasuhiro}, issue = {2}, journal = {Forma}, month = {Oct}, pages = {59--71}, title = {Growth and Shape of Transportation Networks}, volume = {23}, year = {2008}, yomi = {スズキ, ツトム} }