Comparative analysis of the behavior of coaxial and frontal couplings – with permanent magnets – in high temperature environments - Voncilă, Ion; Munteanu, Cristian; Buhosu, Răzvan; Oancă, Marcel (The Annals of “Dunarea de Jos“ University of Galati. Fascicle III, Electrotechnics, Electronics, Automatic Control, Informatics, 2004)