1. Autodesk 2005. Imagestudio. www.autodesk.com/imagestudio. Autodesk 2005. Imagestudio. www.autodesk.com/imagestudio.
2. Octree textures
3. Texture and reflection in computer generated images
4. Cheeger J. and Ebin D. G. 1975. Comparison Theorems in Riemannian Geometry. North-Holland Mathematical Library. Cheeger J. and Ebin D. G. 1975. Comparison Theorems in Riemannian Geometry. North-Holland Mathematical Library.