Physica E: Low-dimensional Systems and Nanostructures
Physica E: Low-dimensional Systems and Nanostructures > 2000 > 6 > 1-4 > 868-871
Physica E: Low-dimensional Systems and Nanostructures > 2000 > 6 > 1-4 > 518-521
Physica E: Low-dimensional Systems and Nanostructures > 2000 > 6 > 1-4 > 581-585
Physica E: Low-dimensional Systems and Nanostructures > 2000 > 6 > 1-4 > 418-422