David Vokoun, Marco Beleggia, Ludek Heller, Petr Sittner, Magnetostatic interactions and forces between cylindrical permanent magnets, Journal of Magnetism and Magnetic Materials, Volume 321, Issue 22, November 2009, Pages 3758-3763, DOI:10.1016/j.jmmm.2009.07.030. [Article https://www.sciencedirect.com/science/article/B6TJJ-4WSRF7C-2/2/5ede3141fb91e35e83abf6edab5abb94]. Retrieved 02.2009
