@article{oai:kokushikan.repo.nii.ac.jp:00008004,
 author = {Nagai, Yoshinori and T Hyde, Stephen and R L Taylor, Ryan and Maddess, Ted},
 journal = {国士舘大学情報科学センター紀要},
 month = {Mar},
 title = {Geometrical Characterization of Textures Consisting of Two or Three Discrete Colorings},
 volume = {30},
 year = {2009}
}