@article{oai:nagoya.repo.nii.ac.jp:00031225,
 author = {Mōri, Masamitsu and Honda, Yoshiaki},
 issue = {1},
 journal = {Memoirs of the Faculty of Engineering, Nagoya University},
 month = {Dec},
 pages = {285--300},
 title = {A Study on the progressive signal system in the urban area},
 volume = {20},
 year = {1968}
}