TY - JOUR T1 - Magnetic field effects of double-walled carbon nanotubes JO - Brazilian Journal of Physics A1 - Latgé, A. A1 - Grimm, D. A1 - Ferreira, M. S. SN - 0103-9733 UL - 10.1590/S0103-97332006000600026 VL - 36 Y1 - 2006 PB - Brasil ER -