@article{oai:meiji.repo.nii.ac.jp:00000066,
 author = {杉原, 厚吉},
 issue = {4},
 journal = {Journal of Mathematics and the Arts},
 month = {Nov},
 pages = {195--207},
 title = {Computer-Aided Generation of Escher-like Sky and Water Tiling Patterns},
 volume = {3},
 year = {2009}
}