@article{oai:meiji.repo.nii.ac.jp:00000068,
 author = {Jun, Ono and Akiyasu, Tomoeda and Kokichi, Sugihara},
 issue = {1-4},
 journal = {Journal of Mathematics and the Arts},
 month = {Oct},
 pages = {65--73},
 title = {Footstep Illusion Art},
 volume = {10},
 year = {2016}
}