TY - JOUR T1 - Geometrical generation of cosmic magnetic fields within standard electromagnetism JO - Brazilian Journal of Physics A1 - Tsagas, Christos G. A1 - Kandus, Alejandra SN - 0103-9733 UL - 10.1590/S0103-97332005000700014 VL - 35 Y1 - 2005 PB - Brasil ER -