3 ms·
http://www.cs.swan.ac.uk/~csetzer/articles/wheel.pdf http://www.cs.swan.ac.uk/~csetzer/articles/wheel.pdf is a good pdf that is used as a reference in the artic
by Phithagoras 9y ago
http://www.cs.swan.ac.uk/~csetzer/articles/wheel.pdf http://www.cs.swan.ac.uk/~csetzer/articles/wheel.pdf is a good pdf that is used as a reference in the article