Ambipolar diffusion in a three-carrier semiconductor plasmaVelmre, Enn; Masszi, F.Program of 17th Nordic Semiconductor Meeting, Trondheim, Norwey, June 17-20, 19961996 / p. 36 Electro-thermal simulations and forward surge current failure prediction for SiC diodesVelmre, Enn; Udal, AndresProgram of 17th Nordic Semiconductor Meeting, Trondheim, Norwey, June 17-20, 19961996 / p. 28