R. de Carvalho, J. Ribeiro, G. Farias, und V. Freire. SUPERLATTICES AND MICROSTRUCTURES, 25 (1-2):
221-225(1999)11th International Conference on Superlattices, Microstructures and
Microdevices (ICSMM-11), HURGADA, EGYPT, JUL 27-31, 1998.
J. de Sousa, V. Freire, und E. da Silva. APPLIED SURFACE SCIENCE, 237 (1-4):
553-558(2004)7th International Symposium on Atomically Controlled Surfaces,
Interfaces and Nanostructures, Nara, JAPAN, NOV 16-20, 2003.