Shingo Nakanishi (Osaka Institute of Technology), "Visualizations and Geometric Characterizations of Equiangular Spirals about Similar Metallic Ratios Using Generalized Fibonacci Sequences, Pythagorean Theorem, and Binomial Theorem", Personal research note in Japanese, (2021.12.03)
Shingo Nakanishi (Osaka Institute of Technology), "Visualizations of Sinusoidal Spirals, Limacons of Pascal, and Conic Curves using Equiangular Spirals of Secondary Metallic Ratios [Theoretical Graphics and Geometry]", The Poster of The 21st International Conference on Geometry and Graphics, Kitakyushu International Conference Center, Fukuoka, Japan, (2024.8.6)
Shingo Nakanishi (Osaka Institute of Technology), "Spirals based on Equilateral Triangles about Various Related Padovan and Weighted Gibonacci Sequences", Annual meeting of Japan Fibonacci Association (in Japanese), (2021.12.03)