Fu P. Development of a multi-variable control for a parallel connection of the flywheel generators EZ3 and EZ4 / P. Fu, M. Huart, C. Sihler, 2000. - 126 p. - Текст : непосредственный.
Analysis of the electrodynamics of subcable current distribution in the superconducting POLO coil cable / C.Sihler,R.Heller,W.Maurer и др., 1995. - 43 p. - Текст : непосредственный.