@inproceedings{oai:tsukuba.repo.nii.ac.jp:00016494, author = {Andreas, Hildebrandt}, book = {第2回つくば環境・エネルギー・経済(3E)フォーラム会議 プログラム}, month = {May}, pages = {18--18}, publisher = {筑波大学}, title = {05.Traffic planning and Public Transport in Freiburg}, year = {2008} }