Physica E: Low-dimensional Systems and Nanostructures
Physica E: Low-dimensional Systems and Nanostructures > 2000 > 7 > 3-4 > 661-665
Physica E: Low-dimensional Systems and Nanostructures > 2004 > 21 > 2-4 > 247-251
Physica E: Low-dimensional Systems and Nanostructures > 2004 > 22 > 1-3 > 615-619