@article{oai:kokushikan.repo.nii.ac.jp:00008011,
 author = {Nagai, Yoshinori and Maddess, Ted},
 journal = {国士舘大学情報科学センター紀要},
 month = {Mar},
 title = {Geometrical and Topological Features of Isotrigon Textures},
 volume = {31},
 year = {2010}
}