Itqon, I., S. Kaneko, S. Igarashi, and V. Lashkia. “Multiclass Test Feature Classifier for Texture Classification: Pattern Recognition, Test Feature Classifier, Ill-Class Problem, Texture Classification, Rank Feature”. Malaysian Journal of Computer Science, vol. 14, no. 1, June 2001, pp. 83-94, https://ejournal.um.edu.my/index.php/MJCS/article/view/5854.