E. Ferreira, E. Albuquerque, J. da Costa, P. Mauriz, and V. Freire. PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, 17 (1-4):
600-601(2003)International Conference on Superlattices Nano-Structures and
Nano-Devices (ICSNN-02), TOULOUSE, FRANCE, JUL 22-26, 2002.
J. Sousa, R. Vilela, R. Costa, E. Nobre, V. Freire, and E. Albuquerque. PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, 17 (1-4):
270-271(2003)International Conference on Superlattices Nano-Structures and
Nano-Devices (ICSNN-02), TOULOUSE, FRANCE, JUL 22-26, 2002.