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Physica E: Low-dimensional Systems and Nanostructures > 2004 > 24 > 1-2 > 133-137
Physica E: Low-dimensional Systems and Nanostructures > 2004 > 23 > 3-4 > 305-308
Physica E: Low-dimensional Systems and Nanostructures > 2004 > 24 > 1-2 > 133-137
Physica E: Low-dimensional Systems and Nanostructures > 2004 > 23 > 3-4 > 305-308